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Broderick, Laura. "Gigs and Grub: How the Gig Economy Impacts Restaurant Industry Performance." Scholarship @ Claremont, 2018. http://scholarship.claremont.edu/scripps_theses/1141.
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In the last ten years, the gig economy has become a significant part of the labor market. Consumers depend on the services provided by people performing gig work, particularly as on-demand services are increasingly desired. Another trend that has developed is the rise of fast casual restaurants due to their relatively inexpensive and quick service while simultaneously providing unique and interesting cuisine options. I examined if there was a relationship between the rise of these emerging sectors of the economy through looking at the performance of limited service eating place establishments using a panel data regression model at the Metropolitan Statistical Area level from 2006 to 2015. I concluded that there is a negative relationship between the number gig firms and the number limited service eating places and no relationship between the number gig firms and the annual payroll of limited service eating places. With opposite results from those hypothesized, I recommend ways to improve the research and propose alternative research questions to answer looking at the gig economy and the restaurant industry.
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Hey, Jessie Margaret Nancy. "Evaluating GIGA : resource discovery agents for digital libraries." Thesis, University of Southampton, 2002. https://eprints.soton.ac.uk/256834/.
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Khreiche, Mario. "Milieus in the Gig Economy." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/86205.
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The present project provides a survey of contemporary work relations in the context of the so-called gig economy (also known as the sharing, collaborative, platform, and on-demand economy). Against the background of recent concerns over automation replacing work at a large scale, the project argues instead that the displacement of work warrants more critical attention. The project examines how the gig economy presents their services as automating technologies while downplaying the ways that workers' employment, not to mention lives, are made increasingly precarious by these alleged improvements. Specifically, the project surveys three gig-economies, the ride-hailing service Uber, the home-sharing service Airbnb, and the online labor marketplace Amazon Mechanical Turk (AMT). Methodologically, the project employs an interdisciplinary approach, integrating insights from political economy, critical theory, discourse analysis, and ethnographic research. A qualitative assessment of the respective work environments shifts a relatively apolitical discourse on the future of work not only toward a more pronounced critique of the gig economy, but also toward a renewed discussion on the kinds of jobs that earn the labels of freelance and entrepreneurship. Professionals and scholars concerned with the future of work stand to benefit from the findings of the research, particularly as it challenges some commonplace assumptions in the discourse of what has been termed postcapitalism.Ph. D.
The present project provides a survey of contemporary work relations in the context of the so-called gig economy (also known as the sharing, collaborative, platform, and ondemand economy). Against the background of recent concerns over automation replacing work at a large scale, the project argues instead that the displacement of work warrants more critical attention. The project examines how the gig economy presents their services as automating technologies while downplaying the ways that workers’ employment, not to mention lives, are made increasingly precarious by these alleged improvements. Specifically, the project surveys three gig economies, the ride-hailing service Uber, the home-sharing service Airbnb, and the online labor marketplace Amazon Mechanical Turk (AMT). Methodologically, the project employs an interdisciplinary approach, integrating insights from political economy, critical theory, discourse analysis, and ethnographic research. A qualitative assessment of the respective work environments shifts a relatively apolitical discourse on the future of work not only toward a more pronounced critique of the gig economy, but also toward a renewed discussion on the kinds of jobs that earn the labels of freelance and entrepreneurship. Professionals and scholars concerned with the future of work stand to benefit from the findings of the research, particularly as it challenges some commonplace assumptions in the discourse of what has been termed postcapitalism.
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Work, Nicholas Christopher. "The Gig is Up: The Disjunction of Gig Economy Labor and the American Welfare State." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/90784.
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The gig economy has rapidly become something of a phenomenon in the digital economy today. New firms are quickly being added to this digital market ecosphere and the business model has garnered the attention of the business and investor communities as a new organizational alternative to standard hierarchies. However this new business model also poses substantial problems for its workers, who as independent contractors are not afforded the benefits or rights of the welfare state that are granted to employees. As the gig economy continues to achieve financial success and holds a more prominent place in our labor force, the precarious state of gig labor is becoming an increasingly political problem. This thesis explores the present state of labor in the gig economy by situating it within the context of welfare state scholarship. I examine how the inner mechanics of the gig economy operate, as well as examine the structures of the American welfare state that create this dualist divide between contractors and employees. I argue that welfare state scholarship demonstrates a path by which gig laborers and gig firms can form cross class alliances that can help develop new welfare state policies to improve gig worker conditions and be supported by gig firms themselves.Master of Arts
The gig economy has rapidly become something of a phenomenon in the digital economy today. New firms are quickly being added to this digital market ecosphere and the business model has garnered the attention of the business and investor communities as a new organizational alternative to standard hierarchies. However this new business model also poses substantial problems for its workers, who as independent contractors are not afforded the benefits or rights of the welfare state that are granted to employees. As the gig economy continues to achieve financial success and holds a more prominent place in our labor force, the precarious state of gig labor is becoming an increasingly political problem. This thesis explores the present state of labor in the gig economy by situating it within the context of welfare state scholarship. I examine how the inner mechanics of the gig economy operate, as well as examine the structures of the American welfare state that create this dualist divide between contractors and employees. I argue that welfare state scholarship demonstrates a path by which gig laborers and gig firms can form cross class alliances that can help develop new welfare state policies to improve gig worker conditions and be supported by gig firms themselves.
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Terry, G. "Climate, change and insecurity : views from a Gisu hillside." Thesis, University of East Anglia, 2011. https://ueaeprints.uea.ac.uk/40469/.
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In this study I investigate the significance of climate variability and extremes (and by analogy, climate change) for human security in an African context of multiple risks, shocks and stresses. I consider the sociocultural dynamics of people’s responses to these diverse threats and their implications for climate adaptation. The location is a poor hillside village in Uganda. Its Gisu inhabitants rely on subsistence farming and are exposed to climate variability and extremes as well as acute land scarcity and environmental degradation. I interviewed over 80 men and women in different structural positions and with different social identities. Destructive rainfall destroys food crops, erodes soil and triggers landslides. Analysing these impacts helps to build understanding of the possible context-specific consequences of climate change in East African highland communities. Villagers’ ability to cope with and adapt to destructive rainfall is socially differentiated, with gender relations an important influence. The impacts of destructive rainfall contribute to a complex cycle of human insecurity, which needs to be viewed as an integrated whole. Hunger and poverty are at the core; but tensions, contestations and conflicts among differently-placed social actors are also prominent. Some of these socially-constructed threats are associated with unequal power relations and maladaptive responses to deteriorating environmental and economic conditions. The metaphor of ‘threat landscapes’ is useful for explaining differences and changes in individuals’ awareness of threats and the epistemic limitations of subjective accounts. Responses to climate and non-climate threats alike are shaped by cultural norms, values and traditions. They can be undermined, as well as supported, by conjugal, kin and community relations and by governance institutions and actors. Sociocultural issues such as these should be at the centre of climate adaptation narratives because they are critical to adaptive capacity.
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Hoff, Kai Erik. "Calibration methodologies for multi-giga sample per second ADCs." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elektronikk og telekommunikasjon, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-26775.
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Time-interleaving Analog-to-Digital Converters allows for increased sampling rates at the cost of added signal distortion. This article considers a system where Timing Jitter is counteracted by a Trace and Hold module, and investigates existing calibration methods for Offset and Gain mismatch which either make use of an additive calibration sequence, calculates and compares subchannel energy, or bandlimits the input signal. Certain modifications are made to each of the algorithms allowing more versatile systems, or higher performance.The performance of a calibration method will be judged by it's average estimation error, possible worst-case outcomes and their impact on the system's stability. A number of modifications which aim to potentially reduce the Mean Square Error or improve the estimator's diversity are introduced. The various systems are tested using both white noise input, and inputs containing several sinusoidal components.The numerical simulations illustrate some of the difficulties involved in designing a blind or partially blind Gain calibration system, compared to one relying on a training signal. For the method using a training signal, an algorithm designed to resemble a Maximum A Posteriori estimator is shown to offer increased performance. The modifications to the Gain calibration method are shown to be moderately beneficial, depending on the situation. The calibration system which relies on oversampling is modified so it can be expanded to calibrate Gain mismatch for any even number of ADCs, which is shown to work under certain circumstances.
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Griesshaber, Christoph. "Godspelles Gifu : das Evangelium der Gnade in den Gedichten Cynewulfs /." Hamburg : Dr. Kovač, 1996. http://catalogue.bnf.fr/ark:/12148/cb391457749.
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Meier, Thomas, Tobias Herzig, and Jürgen Haase. "Moissanite anvil cell design for giga-pascal nuclear magnetic resonance." AIP Publishing, 2014. https://ul.qucosa.de/id/qucosa%3A21311.
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A new design of a non-magnetic high-pressure anvil cell for nuclear magnetic resonance (NMR) experiments at Giga-Pascal pressures is presented, which uses a micro-coil inside the pressurized region for high-sensitivity NMR. The comparably small cell has a length of 22 mm and a diameter of 18 mm, so it can be used with most NMR magnets. The performance of the cell is demonstrated with externalforce vs. internal-pressure experiments, and the cell is shown to perform well at pressures up to 23.5 GPa using 800 μm 6H-SiC large cone Boehler-type anvils. 1H, 23Na, 27Al, 69Ga, and 71Ga NMR test measurements are presented, which show a resolution of better than 4.5 ppm, and an almost maximum possible signal-to-noise ratio.
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Karlsson, Kristin, and Johan Wranne. "Motivation in the Gig Economy : A Case Study of Gig Workers in the IT and Business Consulting Industry." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264045.
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The number of self-employed has been rising and it is estimated that 20–30% of the working-age population in the EU-15 and the U.S. is involved in some form of independent work. This growth is driven by technological advancements, changing work values and an overall need to adapt to a high-change environment. This has given rise to a new term: the gig economy. The IT and Business consulting industry has started to tap further into the gig economy and has started to realize that it could be beneficial to interact with gig workers in new ways, since current arrangements with subcontracting consultants are insufficient. In order to redesign current arrangements in an efficient way, it is of interest to gain a greater understanding of the incumbents’ perspectives. This thesis investigates what motivational factors that are the most distinguishing to work in the gig economy in the IT and Business consulting industry. Thereto, possibilities and limitations for transferring theories of entrepreneurial motivation to the gig economy are discussed. Further, the thesis elaborates upon how the findings can be used in practice and what insights they provide for redesigning consultancies. The thesis employed a case study methodology where semi-structured interviews with gig workers in the context of this study were conducted. The study was influenced by previous research in entrepreneurial motivation, a closely related area within self-employment. The result is that the most distinguishing motivational factors are independence and development. A motivation for independence expresses itself in wanting to decide which projects to take on as well as where and when, and not having a superior that tells you what to do. A motivation for development involves the need for learning new things, improve your skills, and take on challenges. Networking and building relationships are important parts of being a gig worker and often necessities, but even though some gig workers really enjoyed these activities, it is hard to determine whether they are motivating in themselves. Thereto, it was found that monetary rewards were not motivational per se, but a necessity for working. The motivational factors were found to be rooted in the inherent motivations of high need for achievement, desire for independence, internal locus of control, and high self-efficacy. Lastly, there are both possibilities and limitations of theory transfer. The possibilities concern the similarities of the roles when viewing them as self-employed and the limitations concern the theories that are tightly coupled to the entrepreneurial process.Antalet egenanställda har ökat och det är beräknat att upptill till 20–30 % av den yrkesverksamma befolkningen i EU-15 och USA är involverad i någon form av självständigt arbete. Denna tillväxt är driven av teknologiutveckling, förändrade arbetsvärderingar samt ett övergripande behov av anpassning i en snabbföränderlig miljö. Detta har gett upphov till en ny term: gig-ekonomin. Konsultverksamheter inom IT och Business har börjat närma sig gig-ekonomin och har börjat inse att det skulle kunna vara fördelaktigt att interagera med giggare på nya sätt, eftersom nuvarande upplägg med underkonsulter har varit otillräckliga. För att kunna forma om detta upplägg effektivt är det av intresse att få en bättre förståelse av befintliga intressenters perspektiv. Detta examensarbete undersöker vilka motivationsfaktorer som är utmärkande för arbete i gig-ekonomin i området för konsultverksamhet inom IT och Business. Därutöver diskuteras vilka möjligheter och begränsningar det finns för att överföra teorier inom entreprenöriell motivation till gig-ekonomin. Vidare diskuterar denna studie hur resultatet kan användas i praktiken och vilka insikter det ger vid omorganisering av konsultbyråer. Detta undersöktes genom en fallstudie, där semi-strukturerade intervjuer med giggare i studiens kontext genomfördes. Studien var influerad av tidigare forskning inom entreprenöriell motivation, vilket är ett nära relaterat område inom egenanställning. Resultatet är att de utmärkande motivationsfaktorerna är självständighet och utveckling. Motivation för självständighet uttryckte sig i en vilja att bestämma över vilka projekt man åtar sig samt var och när, och i att inte ha en chef som säger till en vad man ska göra. Motivation för utveckling inkluderar behovet av att lära sig nya saker, förbättra sina färdigheter, och att ta sig an utmaningar. Nätverkande och att bygga relationer är viktiga delar av att vara en giggare och ofta nödvändigt, men även om giggare gillade dessa aktiviteter är det svårt att avgöra om dessa är motiverande i sig själva. Därutöver hittades det att monetära belöningar inte var motiverande i sig, men en nödvändighet för att arbeta. De motiverande faktorerna visade sig vara rotade i de inneboende motivationerna; hög need for achievement, önskan om självständighet, internt kontroll-lokus, och hög self-efficacy. Slutligen finns det både möjligheter och begränsningar med överföring av teori. Möjligheterna kommer från likheterna mellan rollerna när man betraktar båda som egenanställda och begränsningar hittas i teorier som är kopplade till den entreprenöriella processen.
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Puusepp, Christopher. "Challenges with gig workers : A mediator perspective." Thesis, Uppsala universitet, Företagsekonomiska institutionen, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388267.
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A new type of worker, the gig worker, is acknowledge and problematized as to what challenges mediators can face with managing them as previous research points out their differences from other workers. The purpose of this study was to identify and analyze challenges that a mediator can face when managing gig workers and also elevate the knowledge regarding gig workers on how to work with them. A semi-structured interview was conducted with four participants, three mediators of established gig firms in Sweden and one management consultant and expert in the field of gig economy. The finding indicated that there exist two challenges that mediators can face when managing gig workers: 1) The expectations of the matchmaking 2) Allowing gig workers to be independent
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Aflaki, Beni Aman. "35-45 giga hertz transceiver system for phase and magnitude detection." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.mst.edu/thesis/pdf/Aman_aflaki_Final_thesis_09007dcc8034dd48.pdf.
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Thesis (M.S.)--University of Missouri--Rolla, 2007.Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed November 14, 2007) Includes bibliographical references (p. 118-119)
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Pasquini, Rafael. "Arquitetura e prototipação de uma UNI optica para a rede GIGA." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259638.
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Orientador: Mauricio Ferreira MagalhãesDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação
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Resumo: Os principais interesses do Projeto GIGA são o desenvolvimento de Tecnologias de Redes Ópticas, Serviços e Aplicações de Rede, Serviços Experimentais de Telecomunicações e Aplicações Científicas. No contexto deste Projeto, nosso grupo de pesquisa tem trabalhado no desenvolvimento de um Plano de Controle IP/WDM para integrar a Rede Cliente IP/MPLS com a Rede Óptica de Transporte WDM, de acordo com as especificações GMPLS e ASON. Especificamente neste trabalho é proposta uma Arquitetura para a UNI (User Network Interface) independente de protocolo de sinalização para prover a integralização entre as Redes Cliente e a Rede Óptica de Transporte. A Arquitetura da UNI proposta neste trabalho mantém inalterada a semântica de sinalização das redes cliente e de transporte da rede de testes do Projeto GIGA. Esta dissertação descreve como a Arquitetura desenvolvida suporta a independência quanto ao protocolo de sinalização e apresenta o protótipo implementado para validar a Arquitetura proposta
Abstract: The main interests of the GIGA Project are the deployment of Optical Network Technology, Network Services and Applications, Experimental Telecommunication Services and Scientific Applications. In the context of this Project, our research group has been working on the design of an IP/WDMControl Plane to integrate the IP/MPLS Client Network with the Optical Transport Network (WDM), according to the GMPLS and ASON specifications. Specifically in this work is proposed a signaling protocol independent UNI (User Network Interface) architecture to integrate the Client and the Optical Transport Networks. The proposed UNI architecture maintains unchanged the client and transport networks signaling semantics for the GIGA testbed network. This dissertation describes how the designed architecture supports the independence of the signaling protocol and presents the prototype implemented to validate the architecture
Mestrado
Engenharia de Computação
Mestre em Engenharia Elétrica
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Maria, Lustosa Barros Bezerra Tercina. "O Quilombo Negros De Gilu em Itacuruba Emergência Etnoquilombola e Territorialidade." Universidade Federal de Pernambuco, 2007. https://repositorio.ufpe.br/handle/123456789/849.
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Previous issue date: 2007A presente pesquisa tem como objeto conhecer os processos de formação do grupo e da emergência identitária para fins de obtenção do território do Quilombo Negros de Gilu, situado em Itacuruba-PE, às margens do Rio São Francisco. A comunidade descende de um casal, Antônio Izidoro e Mª Rufina da Conceição, filhos libertos de escravos da região do Quilombo dos Palmares-AL, que migraram para o sertão sãofranciscano no final do século XIX. Através de gerações, comunidade se organizou e construiu uma rede de comunicação e interação com a sociedade envolvente, sem, contudo, nesta se diluir. Primeiramente invocados pela comunidade envolvente como Negros dos Izidoros e depois como Negros de Gilu, assim eles se identificam e são identificados pela sociedade na qual se inserem. Em 1988, toda a comunidade ribeirinha de Itacuruba, incluindo os Negros de Gilu, teve que ceder seu espaço territorial à formação do Lago de Itaparica, para funcionamento da Hidrelétrica Luiz Gonzaga, construída pela CHESF. Os reassentamentos ocasionaram dispersão de populações, cuja desterritorialização atingiu integralmente os Gilus, ameaçando a perpetuação desse grupo étnico. Depois ocorreu o fenômeno do retorno à Nova Itacuruba de treze famílias dos Gilus que haviam sido reassentadas em Jeremoabo-BA e que, em situação mais precária que a de antes da barragem, deram início à emergência identitária para a reivindicação de um território à União. O processo político-organizativo do grupo, o resgate do patrimônio cultural e a inserção em redes sociais possibilitaram a emergência da identidade etnoquilombola dos Gilus, acionada para reivindicação de território titulado ao governo federal. No contato com os nativos - Gilu e a comunidade envolvente realizei entrevistas individuais e grupos focais, além de análise documental, observação direta, acompanhadas de fotografias e gravações de depoimentos, que forneceram informações e percepções para a construção da presente dissertação etnográfica
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George, Kiranraj. "Design and Performance Evaluation of 1 Giga Hertz Wideband Digital Receiver." Wright State University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=wright1183662240.
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Ahlström, Olle, and Sara Sundström. "Gig-arbetares aktivitetsbalans och hälsa i ensvensk kontext." Thesis, Jönköping University, HHJ, Avd. för rehabilitering, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-52774.
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Bakgrund: Idag finns lite kunskap om gig-arbete och hur arbetsformen påverkar individer verksamma inom gig-ekonomins aktivitetsutförande. Syfte: Syfte med studien var att beskriva gig-arbetares aktivitetsbalans och hälsa samt beskriva kontexten för gig-arbete och arbetsutförandet. Metod: En kvantitativ tvärsnittsstudie som kombinerats med en observation inspirerad av fallstudiemetodik. Deltagarna rekryterades genom bekvämlighetsurval. Målgruppen var gig-arbetare verksamma i gig-ekonomin som utgör de okvalificerade uppdragsbaserade arbetena som utförs lokalt. Tio gig-arbetare deltog i studien. Data samlandes in via enkät och observationer på sociala medier och i reell miljö. Databearbetning skedde genom deskriptiv statistik och kvalitativ innehållsanalys. Resultat: Studiens resultat visar att helhetsupplevelsen av gig-arbete är bra men deltagarna skattar aktivitetsobalans. I helhet skattar gruppen sin hälsa som god. Det visar på slutna svårtillgängliga grupper av gig-arbetare på sociala medier där diskussionerna till stor del handlar om arbetsmiljö och arbetsorganisation. De som skattar god hälsa är de gig-arbetare som arbetar 40 timmer eller mer i veckan och tjänar 20 000kr eller mer per månad. Slutsats: En stor andel i gruppen upplever bristfällig tillfredställelse med tid för aktiviteter utanför arbetet. Det finns aktivitetsobalans bland deltagarna men grupper upplever sin hälsa som god. De flesta har arbetsformen som primär inkomstkälla och det är en spridning av inkomstnivån.
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Kim, Hyoung soo. "Design of silicon-based equalization techniques for band limited giga hertz channels." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/33996.
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The object of this research is to develop a solution for band-limited channels. Backplane channels and GPON channels are investigated to apply an equalization technique. Different lengths of backplane channels are measured with different signal speeds to investigate the channel performance. Also a GPON system with different fiber lengths is designed and set up in a lab to measure the BER performance. The GPON system utilizes a Fabry-Perot laser for the most economical solution. After the circuits are fabricated, they are inserted into the system to measure the performance of the channels with equalizers. Both the backplane and the GPON system show successful channel improvement in measured eye diagrams and BER. To expedite the procedure and eventually build an adaptive system which could be inserted and self-optimizing, we found it essential to monitor the output of the equalizer. A novel analog way to achieve this goal is suggested. All the equalizers mentioned in this dissertation have one summing node to add up all the values from VGAs. This structure is very efficient, but in the event that there are too many VGAs, it draws too much current through the one node. This issue is dealt with by the design of two nine tap equalizers, which are compared to assess the difference in performance between the unbalanced structure and the balanced structure.
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El, Janati El Idrissi Rachid. "Réduction de la gigue systématique des boucles à verrouillage de phase numériques." Brest, 1994. http://www.theses.fr/1994BRES2012.
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Cette these est essentiellement consacree a la conception d'une nouvelle boucle a verrouillage de phase numerique ayant une gigue systematique reduite. Une etude du comportement des boucles a verrouillage de phase numeriques a detection sur front, en presence de bruit, a conduit a proposer une modification du diagramme d'etat du detecteur de phase. Cette modification permet d'obtenir des caracteristiques en gigue due au bruit plus proche de celles d'une boucle, de reference, a base de multiplieur. De plus une analyse detaillee montre qu'une gigue systematique prend naissance au niveau de l'oscillateur controle numeriquement, car celui ci ne permet que des ajustements discrets de l'erreur de phase. La reduction de cette gigue systematique constitue l'objet principal de cette these. La premiere approche, consiste a mettre en parallele plusieurs boucles a verrouillage de phase numeriques. Cette technique permet de reduire la variance de la gigue systematique, mais sa valeur crete a crete reste inchangee. La deuxieme approche est basee sur l'application des principes de la modulation sigma-delta. Une nouvelle architecture de boucle a verrouillage pilotee par m. Horloges decalees est presentee. Les resultats de simulation puis experimentaux montrent que la valeur crete a crete de la gigue systematique est reduite dans un rapport m. L'evolution de la technologie cmos permet d'envisager l'utilisation de cette nouvelle boucle pour la television numerique
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Gigl, Dominik [Verfasser], and Arno [Akademischer Betreuer] Pfitzner. "Synthese und Charakterisierung anorganischer photokatalytisch aktiver Halbleitermaterialien / Dominik Gigl ; Betreuer: Arno Pfitzner." Regensburg : Universitätsbibliothek Regensburg, 2021. http://d-nb.info/1233865641/34.
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Wang, Xingle. "Event-driven dynamic power-on for Giga-bit very short reach optical transceivers." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 1.65 Mb., 83 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3221079.
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Tengstrand, Olof. "X-ray Analysis of a Complete Sample of Giga-Hertz Peaked Spectrum Galaxies." Thesis, Linköping University, The Department of Physics, Chemistry and Biology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11909.
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This thesis investigates the X-ray properties of the entire Stanghellini et al. (1998) complete sample of GHz Peaked Spectrum galaxies with redshift lower than 1. In total 19 sources are included mainly from observations made by the European space telescope, XMM-Newton. Out of these the analysis of seven "new" observations made between 2006 and 2008 are throughout described. Data from the new observations shows consistency with already analysed data. As a new result a tentative discovery of a bi-modal structure in the X-ray to radio luminosity ratio within the sample is presented.
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Tzoufras, Michail. "Generation of multi-giga-electron-volt monoenergetic electron beams via laser wakefield acceleration." Diss., Restricted to subscribing institutions, 2008. http://proquest.umi.com/pqdweb?did=1634233741&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.
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Kodkani, Rahul M. "Silicon based millimeterwave integrated circuits for multi giga-bits-per-second wireless data." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3355786.
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Thesis (Ph. D.)--University of California, San Diego, 2009.Title from first page of PDF file (viewed June 25, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 118-124).
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Holmeide, Ø., and M. Schmitz. "USE OF GIGE VISION ETHERNET CAMERAS FOR FLIGHT TEST APPLICATIONS WITHOUT DATA LOSS." International Foundation for Telemetering, 2016. http://hdl.handle.net/10150/624225.
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As Ethernet based networks have become the dominant choice for Flight Test Instrumentation
(FTI) network applications, it is also clear that Ethernet based camera integration and applications
have yet to become more wide spread for system level design and integration. A significant
customer base utilizes either separate video compression systems or even just stand-a-lone gopro
cameras for recording purposes in an unsynchronized ways. The use of uncompressed high
definition (HD) video from GigE Vision Ethernet cameras for flight test applications is a
significant issue in managing the large volumes of data produced by the cameras and forwarding
them to any 1000BASE-T(x) switch port without packet loss and significant delays. Of course an
easy approach to overcome this issue would be to just increase the network bandwidth from
1000BASE-T(x) to 10GBASE-SR, but most FTI systems just moved to 1000BASE-T(x) in the
past years and therefore changing the overall system hardware is cost prohibited. One concern
has been the use of compression algorithms to reduce the required video bandwidth, with the
negative side effect that the image quality reduces and end-to-end latency increases, which is not
acceptable for some applications. Further, it is important that data from cameras is available to a
number of different multicast consumers within the FTI network, for example workstations,
recorders and telemetry systems. These video data stream also require synchronization so that
they can be analyzed in post processing.
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Marchis, Paula, and Mahafarid Masomeh Jamatipour. "Egenanställning inom gig-ekonomi : Olika aspekter kring det självständiga arbetet." Thesis, Högskolan för lärande och kommunikation, Högskolan i Jönköping, HLK, Medie- och kommunikationsvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-44419.
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Problemformulering: Behovet av att förklara vad som motiverar individer till att arbeta inom egenanställning i förhållande till den gig-ekonomiska arbetsmarknaden. Syfte: Syftet med denna studie är att förklara vad som motiverar individen till att arbeta som egenanställd inom den växande gig-ekonomiska arbetsmarknaden. Metod: Då denna studie inte är baserad på ett teoretiskt problem kommer den utgå från insamlade data från utförda semistrukturerade intervjuer som genomförts och därmed resultera i en induktiv ansats. För att besvara vad som motiverar individen i förhållande till egenanställningar inom gig-ekonomin, krävs det en intensiv uppläggning som genererar till en fallstudie. Kvalitativa semistrukturerade intervjuer har genomförts under studiens gång med människor involverade inom gig-ekonomi samt egenanställning. Empirisk insamling: Den insamlade empiri består av elva intervjuer med människor från olika företag och branscher inom gig-ekonomin. Slutsats: Utifrån studiens insamlade empiri har vi som forskare kunnat förklara vad det är som motiverar individer till att arbeta inom egenanställning utifrån ett gig-ekonomiskt perspektiv samt funnit en baksida av uppdragsbaserat arbete.
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Casanova, Alexis. "Caractérisation et réduction de la gigue temporelle de lasers ytterbium ultrabrefs pompés par diode." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0931.
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Ce travail de thèse se concentre sur la caractérisation et la correction de la gigue temporelle de lasers ultrabrefs, c'est-à-dire avec une durée d'impulsion sub-picoseconde, pompés par diode et avec un milieu à gain dopé à l'Ytterbium. Ce type de source laser a bénéficié d'un développement industriel rapide depuis le début des années 2000 et a trouvé de très nombreuses applications, notamment dans le domaine scientifique pour des expériences résolues en temps (FELs, accélérateurs de particules, OPAs...). Dans ce type d’applications, la réduction de la gigue des impulsions permet d’accéder à de meilleures résolutions temporelles et permet d’observer des phénomènes physiques extrêmement brefs.Dans ce travail, la gigue d'oscillateurs lasers ultrabrefs à verrouillage de mode passif a été corrigée et caractérisée en générant un signal d'erreur par photo-détection directe d'une part et par corrélation croisée optique d'autre part. La correction de la gigue temporelle par corrélation croisée optique permet d'obtenir une gigue résiduelle inférieure à 5fs, de l'ordre de la durée d'un cycle optique, avec des oscillateurs compacts et industriels. Une gigue résiduelle de ce niveau permet d’accéder à des expériences résolues en temps exigeantes en termes de stabilités temporelles des sources de lumière utilisée, par exemple une expérience d’interaction lumière-matière de type pompe-sonde avec une source laser à électrons libres.Un nouvel instrument basé sur la corrélation statistique des signaux de gigue générés par deux canaux de corrélations croisées optiques a été mis en place. Un tel instrument a permis de caractériser complètement la gigue temporelle d'oscillateurs à des fréquences de Fourier supérieures à la dizaine de kiloHertz lasers ultrabref en atteignant un plancher de bruit sub-zeptoseconde. La gigue additive d'amplificateurs lasers ultrabrefs a également été caractérisée par corrélation croisée optique, cela afin d'acquérir une compréhension globale de la gigue introduite par une chaîne laser ultrabrève amplifiée.Les mesures effectuées ont permis d’analyser les origines physiques de la gigue dans un système laser ultrabref. Ces résultats permettront à terme d’améliorer la correction de la gigue sur les systèmes industriels étudiés ainsi que de développer de nouvelles sources laser ultrabrèves intrinsèquement moins bruyantes. Une telle étude expérimentale pourra également servir de support pour éventuellement enrichir le modèle théorique des perturbations dans un laser ultrabrefThe main scope of this PhD work is to characterize and reduce the timing jitter of optical pulses with sub-picosecond duration, emitted by diode-pumped ultrafsat lasers with Ytterbium doped gain media. Such laser sources have been rapidly enhanced by a high-grade and efficient industrial development, giving access to numerous novel applications, especially in the fields of applied physics and chemistry with time-resolved experiments based on interaction between light and matter. In this latter topic resides a constant need to minimize the laser pulse train timing jitter in order to access physical phenomena with extremely short timescales such as electrons recombination.Two main detection techniques have been studied to characterize the timing jitter from passively modelocked laser oscillators. The first technique is based on direct photo-detection in the microwave domain whilst the second technique makes use of the balanced optical cross-correlation. Residual timing jitter from industrial compact laser oscillators has been reduced below 5fs, close to an optical cycle period. This performance makes the laser oscillators produced by Amplitude-Systemes already suitable for challenging time-resolved pump-probe experiments, in the presence for example of a free electron laser source.Timing jitter analysis has been enhanced by studying the cross-spectrum from jitter signals generated from two balanced optical cross-correlators. This technique allowed the entire characterization of the timing jitter density spectrum from laser oscillators above the ten-kiloHertz Fourier frequency with a sub-zeptosecond noise floor. Additive timing jitter from ultrafast laser amplifiers has also been studied with optical cross-correlation and gives a global comprehension of the timing jitter from a complete high-energy ultrafast laser chain.The collected measurments will be conducive to design a more adapted and performant timing synchronization system for industrial laser sources. A better knowledge of the non-trivial jitter sources, dependent on the laser parameters, will also allow to design intrinsically low-noise new laser sources based on the Ytterbium gain media. The cross-spectrum technique developed could be of use to characterize other laser technologies and to investigate the theoretical perturbation model of ultrafast lasers with a better experimental insight
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Tyni, Emil, and Simon Lindholm. "Principalen och giggaren : En undersökning av principalansvarets omfattning i gig-ekonomin." Thesis, Linköpings universitet, Affärsrätt, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-178910.
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Som huvudregel är en huvudman ansvarig för skada vållad av arbetstagare denne har i sin tjänst, ett så kallat principalansvar. I undantagsfall är även en huvudman ansvarig för skada vållad av den som formellt sett inte är en arbetstagare. I denna uppsats fastslås att vissa typer av gig-arbete omfattas av ett principalansvar. Gig-arbetare är en relativt ny arbetsrättslig term, som ännu inte kommit att behandlas i svensk rätt. I denna uppsats avser vi att konkretisera en skadeståndsrättslig utgångspunkt för gig-arbete, närmare bestämt i vilken mån gig-arbetare omfattas av ett principalansvar. Gig-arbetare omfattas i regel inte av ett anställningsavtal, gig-företagen tenderar i stället att klassificera de arbetspresterande som självständiga uppdragstagare. Huruvida en sådan klassificeringen av en arbetspresterare är legitim eller inte är av central vikt vid fastställandet av den arbetspresterandes rättigheter. För att klarlägga principalansvarets omfattning redogörs således först för de arbetspresterandesarbetsrättsliga situation. Arbetsrättens lagstiftning tillhandhåller inga tydliga definitioner av vad som utgör en arbetstagare, vilket innebär att svaret på frågan måste sökas på annat håll i rättskällehierarkin. I uppsatsen redogörs även för grundläggande skadeståndsrätt, med fokus på principalansvaret och dess omfattning, samt fenomenet gig-ekonomi och parterna aktiva däri. Den presenterade informationen ställs därefter i relation till arbete på gig-ekonomiska premisser. I uppsatsens slutsats konstateras att vissa typer av gig-arbete ska omfattas av ett principalansvar. Eftersom gig-ekonomin är mångfacetterad och föränderlig har det emellertid inte varit möjligt att fastslå principalansvarets exakta omfattning i sammanhanget. För att nå en slutsats i ett specifikt fall, måste en bedömning göras utifrån de unika omständigheterna som råder i just det fallet. Uppsatsens slutsats ska således förstås som en sorts grundsats eller huvudregel.
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Moseley, Rowland. "The Art of Gigue: Perspectives on Genre and Formula in J. S. Bach's Compositional Practice." Thesis, Harvard University, 2014. http://nrs.harvard.edu/urn-3:HUL.InstRepos:13064937.
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The objects of this study are the thirty-four gigues of J. S. Bach. This corpus of pieces represents one musician's encounter with the most engrossing dance genre of his time, and by coming to terms with this repertory I develop analytical perspectives with wide relevance to music of Europe in the early eighteenth century. The dissertation has a clear analytical focus but it also speaks to methodological issues of the relationship between theory and analysis, and the problem of reading a creative practice out of fixed works. Its main theoretical commitment is to middle-out perspectives on musical process.
The dissertation's main themes are form, hypermeter, and schema. Its primary contribution to music theory lies in setting out an original position on the analysis of hypermeter, and advancing approaches to form and schema that are consistent with that position. "Form" and "schema" refer to compositional formulas that associate with hypermeter on the larger and smaller scales respectively, with observational windows as wide as the first half of a binary movement and as narrow as a couple of bars.
Chapter 2 addresses the form of Bach's cello gigues. I arrive at a complete model of formal functions and phrase rhythm by first considering the turning points in the rhetoric of Fortspinnung. Chapter 4 addresses the chain of fifths sequence in Bach's harpsichord gigues. I analyze over fifty sequence passages, develop a typology of their contrapuntal frameworks, and consider the connections from sequence passages to subsequent events. These substantive analytical case studies flank the discussion of hypermeter. Chapter 3 includes analyses of Bach's orchestral gigue and two chamber-sonata gigues but is the most purely theoretical chapter. Its arguments are relevant to the study of meter and hypermeter across the whole "common practice" period.
Since Chapters 2-4 address subsets of the corpus, a comprehensive overview is entrusted to Chapter 1, which also introduces the dissertation. Chapter 1's overview anchors the more specialized chapters in a wider reflection on the ability of compositional technique to inflect different styles, idioms, genres, and affects.Music
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Oakley, Theresa Catherine. "Lifting the veil : a new study of the sheela-na-gigs of Britain and Ireland." Thesis, University of Southampton, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.416902.
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Henaoui, Sherif El. "Allocation des ressources et gestion de la gigue du traffic multimédia dans le réseau ATM /." Paris : École nationale supérieure des télécommunications, 1997. http://catalogue.bnf.fr/ark:/12148/cb361658361.
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Henaoui, Sherif El. "Allocation des ressources et gestion de la gigue du trafic multimedia dans le reseau atm." Paris, ENST, 1996. http://www.theses.fr/1996ENST0033.
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La réalisation du transfert du trafic multimédia dans un réseau ATM nécessite de traiter de nombreux sujets dont certains restent encore des domaines de recherche. En particulier, nous étudions dans cette thèse les problèmes d'allocation dynamique de bande passante et de gigue. En ce qui concerne l'allocation dynamique, le trafic multimédia temps-réel ou le codage se base sur les concepts perceptuels est considère, en particulier, MPEG vidéo et audio. Vu la nature variable du contenu des informations, le débit varie d'une unité de codage a une autre. Notre objectif est donc de proposer un protocole d'allocation efficace et performant représentant un compromis entre des besoins souvent contradictoires, à savoir une qualité constante, un délai limite et une simplicité de traitement dans le réseau. Dans cette thèse, nous proposons un protocole périodique d'allocation anticipée, appelé anticipated traffic allocation protocol (atap). Ce protocole est basé sur une prédiction du débit de la période suivante puis une allocation immédiate (et ainsi anticipée) qui permet un traitement parallèle entre le codage et la réservation de la bande passante allouée. La transmission sera ainsi limitée à la bande passante réservée, ce qui permet de garantir une qualité de transmission équivalente a celle d'une transmission a débit fixe (cbr). De plus, le codeur décidera dans le cas de manque de ressources d'augmenter sa compression ou de mémoriser le trafic selon la qualité de service déclarée. Le protocole atap utilise le protocole de réservation abt/dt, normalise par l'uit, pour effectuer la réservation dans le réseau. L'interaction entre les deux protocoles nécessite que la période d'allocation soit supérieure au temps d'aller-retour du réseau. Le contrôle dynamique de trafic par la source est un aspect primordial de ce problème pour assurer la conformité du trafic émis par rapport aux paramètres déclares (upc). L'importance de ce contrôle est due au fait que le réseau est censé refuser le trafic qui ne respecte pas ces paramètres de trafic. Nous étudions ce contrôle et son interaction avec le protocole atap. Un autre problème qui concerne notre proposition est la prédiction. Dans le cas où la source n'effectue aucune prédiction, il faut ajouter un algorithme de prédiction afin de garantir l'opération du protocole atap. Nous comparons plusieurs algorithmes de prédiction. Nous consacrons également une partie de cette thèse a l'étude de la gigue du trafic multimédia. Cette étude concerne deux niveaux de la gigue : celle d'un seul flux (vidéo ou voix) et celle entre les flux d'une application multimédia. La mise en œuvre d'un mécanisme de récupération de la gigue est proposée. L'impact de ce mécanisme sur la gigue est étudié en fonction du nombre de nœuds traverses ainsi que de la discipline de l'ordonnancement.
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Dahlbom, Johan, and Eden Reta. "Upplevelser och klassmedvetande inom prekariatet : En intervjustudie med leveranspersoner inom gig-ekonomin." Thesis, Stockholms universitet, Sociologiska institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-188349.
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Arbetsmarknaden är i ständig förändring. Som ett resultat av globalisering, digitalisering och nya kommunikationsvägar har det vuxit fram nya fenomen på arbetsmarknaden, bland annat gig-ekonomin. Fenomenet kan beskrivas som ett sätt att organisera och effektivisera arbete genom digital teknik. Ett exempel på detta är att det idag går att beställa hem mat via en app i telefonen. Syftet med denna studie är att undersöka hur leveranspersoner inom gig-ekonomin upplever sitt arbete och sin situation. Denna grupp kan sägas tillhöra de som har den sämsta situationen på arbetsmarknaden. Studien ämnar även att undersöka om leveranspersoner har ett klassmedvetande och hur de i sådant fall beskriver det. För att besvara syftet genomfördes en kvalitativ studie med semistrukturerade intervjuer med tio leveranspersoner från företaget Foodora. Resultatet visade att de upplevelser som kännetecknar leveranspersonernas arbete är ekonomisk otrygghet, flexibilitet och självständighet. Resultaten visar även att leveranspersoner har ett klassmedvetande genom stark sammanhållning och kunskap om facket. Särskilt intressant var att arbetets flexibilitet upplevdes olika beroende på om de intervjuade hade arbetet som sin huvudsakliga sysselsättning eller om det var ett extrajobb. De leveranspersoner som hade arbetet som extrajobb föreföll enligt studien mer positiva till det flexibla arbetssättet, jämfört med de individer som hade det som huvudsaklig sysselsättning.
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Shero, Phillip A. "Embedded Leadership| The Role of Gisu Clan Elders in Uganda in Supporting and Limiting Executive Authority." Thesis, Regent University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3632014.
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Research has identified a problem of executive authorities in Africa that operate largely free of accountability and/or balance of power, often resulting in oppression, tyranny, or other abuses of power. In response to calls for greater understanding of indigenous African leadership (Littrell, 2011), this dissertation used problem-focused ethnographic methods to investigate characteristics of Gisu/Masaaba clan elder leadership in East Africa, specifically as elders interact with executive authority. Elders are a tribal form of leadership wherein leaders are embedded in the community but lack political power. The research question asked: What are the modalities indigenous to Gisu culture, specifically from elder councils, that facilitate accountability and balance of power in African governance, and how could biblical descriptions of elders be useful in the Gisu's self-perception and construction of elder-based leadership? The study (N = 49) employed participant observation as well as directed observation and interview-based participant listening with elders, youth, and government leaders to produce rich qualitative data. After coding emergent themes and categories, thick descriptions of Gisu clan elder leadership formed a foundation for analysis. Emergent themes were first analyzed using indigenous typologies and then using analyst-constructed typologies before being interpreted to present an indigenous portrayal of traditional Gisu elders' characteristics, concerns, actions, and modalities. Research data provided support for elders' facilitating accountability through speaking directly to the leader, escalating complaints to higher authorities, and taking the case to the public; the data also offered support, to a lesser degree, for elders facilitating balance of power related to executive authority through formation of supraclan bodies such as the Inzu ya Masaaba and Elders Forum as well as through persistently utilizing the modality of elders' voice to call for reform. Drawing from the research data, the author offered suggestions for how biblical descriptions of elders could be useful in the Gisu's self-perception and construction of elder-based leadership, specifically addressing two threats to elder self-perception and construction of elder-based leadership by way of reclaiming important traditional aspects of eldership.
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Gries, Mathis Yannik [Verfasser], Matthias [Akademischer Betreuer] Hieber, and Yoshikazu [Akademischer Betreuer] Giga. "On the primitive equations and the hydrostatic Stokes operator / Mathis Yannik Gries ; Matthias Hieber, Yoshikazu Giga." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2018. http://d-nb.info/1165773759/34.
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Cardoso, Jacqueline Gomes. "Filtro morfológico aplicado ao controle sem fio das potências de aerogeradores GIGE voltados as Smart Grid." reponame:Repositório Institucional da UFABC, 2017.
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Orientador: Prof. Dr. Alfeu Joãozinho Sguarezi FilhoEm um sistema de energia renovável em um ambiente de smart grids, o uso de tecnologias sem fio para transmissão remota de informações de controle às turbinas eólicas requer técnicas modernas para assegurar a qualidade de energia gerada e evitar danos às turbinas e conversores. Neste trabalho, o sistema de controle sem fio robusto para uma turbina eólica com gerador de indução gaiola de esquilo conectada à rede elétrica é proposto. O sistema emprega codificação convolucional e filtragem morfológica para melhorar a qualidade de energia gerada, melhorando a robustez do sistema de controle para os erros canal de propagação de rádio. O desempenho é investigado em termos de distorção harmônica total e respostas do sistema a fim de verificar a qualidade de energia fornecida pela turbina eólica à Smart Grid. Resultados satisfatórios endossam a operabilidade e as vantagens do sistema de controle sem fio proposto
Tese ( doutorado)- Universidade Federal do ABC. Programa de Pós-Graduação em Energia, 2017.
In a renewable energy power system inside a smart grid environment, the use of wireless technologies for remote transmitting control information to the wind turbines requires modern techniques to improve the overall generated power quality and prevent damage to the turbines and converters. In this work, a robust wireless control system for a squirrel cage induction wind turbine connected to the power grid is proposed. The system employs convolutional coding and morphological filtering jointly to enhance the generated power quality by improving the robustness of the control system to the errors caused by the radio propagation channel. The performance is investigated in terms of total harmonic distortion and overall system response to verify the power quality delivered by the wind turbine to the grid. The satisfactory results endorse the operability and advantages of the proposed wireless control system.
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Gries, Mathis Yannik Verfasser], Matthias [Akademischer Betreuer] [Hieber, and Yoshikazu [Akademischer Betreuer] Giga. "On the primitive equations and the hydrostatic Stokes operator / Mathis Yannik Gries ; Matthias Hieber, Yoshikazu Giga." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2018. http://d-nb.info/1165773759/34.
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TSUKADA, Kazuhiro, and Yasushi TAKAHASHI. "Redefinition of the Permian strata in the Hida-gaien Tectonic Zone, Fukuji area, Gifu Prefecture, Central Japan." Dept. of Earth and Planetary Sciences, Nagoya University, 2000. http://hdl.handle.net/2237/2848.
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Wrona, Marc [Verfasser], Matthias [Akademischer Betreuer] Hieber, and Yoshikazu [Akademischer Betreuer] Giga. "Liquid Crystals and the Primitive Equations: An Approach by Maximal Regularity / Marc Wrona ; Matthias Hieber, Yoshikazu Giga." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2020. http://d-nb.info/1212584074/34.
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Bidaj, Klodjan. "Modélisation du bruit de phase et de la gigue d'une PLL, pour les liens séries haut débit." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0355/document.
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La vitesse des liens séries haut débit (USB, SATA, PCI-express, etc.) a atteint les multi-gigabits par seconde, et continue à augmenter. Deux des principaux paramètres électriques utilisés pour caractériser les performances des SerDes sont la gigue transmis à un niveau de taux d’erreur donné et la capacité du récepteur à suivre la gigue à un taux d’erreur donné.Modéliser le bruit de phase des différents components du SerDes, et extraire la gigue temporelle pour la décomposer, aideraient les ingénieurs en conception de circuits à atteindre les meilleurs résultats pour les futures versions des SerDes. Générer des patterns de gigue synthétiques de bruits blancs ou colorés permettrait de mieux analyser les effets de la gigue dans le système pendant la phase de vérification.La boucle d’asservissement de phase est un des contributeurs de la gigue d’horloge aléatoire et déterministe à l’intérieur du système. Cette thèse présente une méthode pour modéliser la boucle d’asservissement de phase avec injection du bruit de phase et estimation de la gigue temporelle. Un modèle dans le domaine temporel en incluant les effets de non-linéarité de la boucle a été créé pour estimer cette gigue. Une nouvelle méthode pour générer des patterns synthétiques de gigue avec une distribution Gaussienne à partir de profils de bruit de phase coloré a été proposée.Les standards spécifient des budgets séparés de gigue aléatoire et déterministe. Pour décomposer la gigue de la sortie de la boucle d’asservissement de phase (ou la gigue généré par la méthode présentée), une nouvelle technique pour analyser et décomposer la gigue a été proposée. Les résultats de modélisation corrèlent bien avec les mesures et cette technique aidera les ingénieurs de conception à identifier et quantifier proprement les sources de la gigue ainsi que leurs impacts dans les systèmes SerDes.Nous avons développé une méthode, pour spécifier la boucle d’asservissement de phase en termes de bruit de phase. Cette méthode est applicable à tout standard (USB, SATA, PCIe, …) et définit les profils de bruits de4phases pour les différentes parties de la boucle d’asservissement de phase, pour s’assurer que les requis des standards sont satisfaits en termes de gigue. Ces modèles nous ont également permis de générer les spécifications de la PLL, pour des standards différentsBit rates of high speed serial links (USB, SATA, PCI-express, etc.) have reached the multi-gigabits per second, and continue to increase. Two of the major electrical parameters used to characterize SerDes Integrated Circuit performance are the transmitted jitter at a given bit error rate (BER) and the receiver capacity to track jitter at a given BER.Modeling the phase noise of the different SerDes components, extracting the time jitter and decomposing it, would help designers to achieve desired Figure of Merit (FoM) for future SerDes versions. Generating white and colored noise synthetic jitter patterns would allow to better analyze the effect of jitter in a system for design verification.The phase locked loop (PLL) is one of the contributors of clock random and periodic jitter inside the system. This thesis presents a method for modeling the PLL with phase noise injection and estimating the time domain jitter. A time domain model including PLL loop nonlinearities is created in order to estimate jitter. A novel method for generating Gaussian distribution synthetic jitter patterns from colored noise profiles is also proposed.The Standard Organizations specify random and deterministic jitter budgets. In order to decompose the PLL output jitter (or the generated jitter from the proposed method), a new technique for jitter analysis and decomposition is proposed. Modeling simulation results correlate well with measurements and this technique will help designers to properly identify and quantify the sources of deterministic jitter and their impact on the SerDes system.We have developed a method, for specifying PLLs in terms of Phase Noise. This method works for any standard (USB, SATA, PCIe, …), and defines Phase noise profiles of the different parts of the PLL, in order to be sure that the standard requirements are satisfied in terms of Jitter
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Hägglund, Melina. "Come Get Your Honey : Hur spelet Red Bull Secret Gig användes i praktiken." Thesis, Umeå universitet, Institutionen för kultur- och medievetenskaper, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-158267.
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The purpose of this study is to analyze how the mobile augmented reality game Red Bull Secret Gig was made in practise by its users. Red Bull Secret Gig was a game that was a part of the release of Swedish pop star Robyns new album. The prize of the game was two tickets to a secret show with the pop star. Interviews, group interviews walkthroughs of the game written by its creators and posts published in the official Facebook group for the game has been used as a material base for analyzing Red Bull Secret Gig. The theoretical framework for this study consists of communication theories such as Stuart Hall’s Encoding/Decoding, Henry Jenkins theories about convergence culture, participatory culture, astroturfing, engaging as labor and collective intelligence and also theories about gamification and motivation. Findings include elements of the game being designed to be motivational for its users, how users came together to figure out how to gain points in the game, users bad experiences of the game, Red Bulls presence in the game, how users different economic and social situations could affect their progress in the game and the price of the prize. Conclusions of this study includes the official Facebook group being dependent on users engagement, users feelings and opinions about Red Bulls presence being split and users perception of the ticket being for free.
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Varghese, Gigy [Verfasser]. "CP-673451 inhibits the formation of neutrophil extracellular traps induced by PMA and immobilized immune complexes / Gigy Varghese." Lübeck : Zentrale Hochschulbibliothek Lübeck, 2018. http://d-nb.info/1152033190/34.
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KAJIZUKA, Izumi, Daniel J. DUNKLEY, and Kazuhiro SUZUKI. "Melanite from the endoskarn of a spessartite dyke intruding into the Kinshozan limestone in Ogaki City, Gifu Prefecture." Dept. of Earth and Planetary Sciences, Nagoya University, 2011. http://hdl.handle.net/2237/20536.
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Vesterberg, Johanna, and Matilda Eriksson. "Making the most for professional freelancers : A study of platforms in the gig economy." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-79338.
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Purpose - The purpose of this study was to understand how platform providers can develop their offerings and gig platforms depending on the targeted professional freelancers, henceforth referred to just as freelancers. To fulfil the purpose, three research questions (RQ) were developed: RQ1. How do freelancers’ level of experience influence what is important for their work life? RQ2. How do freelancers’ level of experience influence what they want help with from a gig platform? RQ3. How can platform providers create a satisfying gig platform? Method - A qualitative, explorative approach was used and both freelancers and platform providers in Sweden were interviewed. In total were 23 interviews conducted in three different phases and the data collected was then analysed through two thematic analysis. Findings - The finding showed that new and experienced freelancers found similar things as important for their work life; monetary compensation, freedom, feeling authentic, self-development, social connection, decreasing uncertainty, relationship with the requesting organization (RO), necessary competence and finding new gigs. Experienced freelancers also found it important to scale up their freelancing career. Even though both groups almost found the same categories of aspects important, but their view on them differed. Experienced freelancers had higher expectations and had already accomplished most of them, while the new ones wished to accomplish it in the future. The new freelancers therefore showed a greater interest in gig platforms and wanted more help from platform providers. What new and experienced freelancers wanted help with, and how platform providers can accomplish it, was illustrated and a framework for strategic aspects which platform providers should consider in order to create a satisfying gig platform was developed. Theoretical and Practical Contribution - The study contributed to the previous literature by highlighting that different groups of freelancers, new and experienced ones, have different views and expectations on things they find important, as well as what they want help with. Additionally, guidance for platform providers on how to create a satisfying gig platform was provided. Limitation and Future Research - This study was limited to Sweden, and it could be of interest to investigate if there are similarities or differences among different countries. It could also be interesting to investigate if the gender of the freelancers’ niche influences their needs.Syfte – Syftet med denna studie var att förstå hur plattformsägare kan utveckla sina erbjudanden och gigplattformar beroende på vilka professionella frilansare som de riktar sig till, hädanefter bara benämnda som frilansare. För att uppfylla syftet skapades tre forskningsfrågor (FF); FF1. Hur påverkar frilansares erfarenhet vad de tycker är viktigt för sitt arbetsliv? FF2. Hur påverkar frilansares erfarenhet vad de vill ha hjälp med från en gigplattform? FF3. Hur kan plattformsägare skapa en tillfredsställande gigplattform? Metod – Ett kvalitativt, utforskande tillvägagångssätt användes och både frilansare och plattformsägare i Sverige blev intervjuade. Totalt genomfördes 23 intervjuer genom tre olika faser och data analyserades sedan genom två tematiska analyser. Resultat – Resultatet visade att nya och erfarna frilansare tyckte att liknande saker var viktigt för deras arbetsliv; monetär kompensation, frihet, känna sig autentiska, kompetensutveckling, social samhörighet, minska osäkerhet, relationen till kunden, nödvändig kompetens och att hitta nya gigs. Erfarna frilansare tyckte också att det var viktigt att kunna skala upp sin frilansarkarriär. Trots att båda grupperna nästan tyckte att exakt samma kategorier av aspekter var viktiga skiljde sig deras syn på dessa. Erfarna frilansare hade högre förväntningar och hade redan åstadkommit många av dessa kategorier, medan de nya ville uppfylla dem i framtiden. De nya frilansarna visade därför ett större intresse för gigplattformar och ville ha mer hjälp från plattformsägarna. Vad nya och rutinerade frilansarna vill ha hjälp med och hur gigplattformar kan uppfylla detta illustrerades och ett ramverk för strategiska aspekter som är viktiga för plattformsägare att ta hänsyn till för att kunna skapa en tillfredsställande gigplattform utvecklades. Teoretisk och praktiskt bidrag – Studien bidrog till den tidigare forskningen genom att visa att olika grupper av frilansare, nya och erfarna, har olika syn och förväntningar på saker som de tycker är viktigt och även vad de vill ha hjälp med. Utöver detta har vägledning för hur plattformsägare kan skapa en tillfredsställande gigplattform tillhandahållits. Begränsningar och framtida forskning – Studien var begränsad till Sverige och det skulle därför kunna vara intressant att undersöka om det finns likheter eller skillnader mellan olika länder. Det skulle även vara intressant att undersöka om kön och området frilansarna är verksamma inom påverkar deras behov.
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Parker, Lianne. "Who Will Be Successful in The Gig Economy: Adaptability, Generations, Gender, Marriage, and Children." Scholarship @ Claremont, 2017. http://scholarship.claremont.edu/scripps_theses/940.
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The Gig-Economy is an alternative way of describing a world where long-term employees turn into short-term independent contractors in charge of their own careers. The cross-sectional half of the current study will gather data from multiple generations of professionals and emerging professionals that assesses their career adaptabilities, gender, marital status, presence of children, and preference for the Gig Economy. Previous research has not analyzed these factors in combination with each other. The Millennial participants from the cross-sectional portion of the study will be tested once every five years as they progress through their careers on these same measures. Millennials will have more career adapt abilities than other generations, and will prefer the Gig Economy more than other generations. However, females will prefer the Gig Economy more than men, as it provides for more flexibility. Those who are married and especially those with children will prefer the Gig Economy more than those who are unmarried or without children. The information from the current study will be helpful to anyone currently working in or about to start working. It will allow career counselors information with which to best guide Millennials and all those struggling to find their way in the Gig Economy.
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Steele, Mellissa. "Leveraging independent workers in the knowledge-based gig economy through supportive Human Resource Management practices." Diss., University of Pretoria, 2020. http://hdl.handle.net/2263/79660.
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The gig economy represents a new work arrangement which is characterised by on-demand, increasingly digitally-enabled, short-term relationships with an organisation. Due to the seemingly detached nature of this work, perceptions of organisation support may be low, which may present a challenge to organisations in terms of obtaining the full business value from the gig workforce, particularly in the knowledge-based context. Organisations will be required to reconsider the manner in which they engage with talent in the gig economy, in order to leverage them effectively towards the achievement of business objectives. The aim of this research therefore was to determine the supportive Human Resource Management (HRM) practices to be implemented by organisations in order to better leverage the knowledge-based gig economy. Furthermore, the research sought to understand how these HRM practices are influenced by the complexity of the task, as well as the role of digital labour platforms in supporting in the provision of HRM practices, given their increasingly prominent role within the gig economy.
A qualitative, exploratory research methodology was used to gain insight into the specific HRM practices required for knowledge-based gig workers, which would lead to positive perceptions of organisational support. The study consisted of 16 semi-structured, in depth interviews with a range of independent workers within the knowledge-based gig economy. The supportive HRM practices were identified as engagement support, clear structures and processes, remuneration and rewards, autonomy and flexibility, fairly applied practices, learning and development, as well as performance feedback. To assist organisations in practically implementing these practices, specific actions were included relating to each. The study also provided insight on the preferred supportive HRM practices based on the complexity of the task, and recommendations on the role of digital labour platforms in the provision of HRM support to gig workers within an ecosystem with organisations.Mini Dissertation (MBA)--University of Pretoria, 2020.
pt2021
Gordon Institute of Business Science (GIBS)
MBA
Unrestricted
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Déry, Jean-Philippe. "Minimisation de la gigue d'échantillonnage d'un spectromètre à transformée de Fourier imageur à détecteur intégrateur en présence de perturbations mécaniques." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28638/28638.pdf.
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Araujo, Humberto Xavier de. "Projeto e implementação de câmara GTEM - giga hertz transverse electromagnetic para testes de compatibilidade eletromagnética de circuitos e sistemas eletrônicos." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/260963.
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Orientador: Luiz Carlos KretlyTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação
Made available in DSpace on 2018-08-19T12:48:04Z (GMT). No. of bitstreams: 1 Araujo_HumbertoXavierde_D.pdf: 7050651 bytes, checksum: 1d22c38822d1b7ff3ee74974b2d874b9 (MD5) Previous issue date: 2012
Resumo: Este trabalho apresenta a análise detalhada, simulações numéricas completas e os procedimentos para o projeto e a implementação de uma câmara GTEM -GigaHertz Transverse Electromagnetic- para análise de pré-conformidade em circuitos e sistemas eletrônicos. O sistema construído é capaz de realizar testes de EMC - Electromagnetic Compatibility, tanto de interferência - EMI quanto de susceptibilidade - EMS, na faixa de freqüência de 500 MHz - 18 GHz. O projeto apresenta uma inovação ao introduzir estruturas metamateriais na câmara tornando-a mais flexível na determinação da freqüência e níveis de RF e Microondas de teste. Os detalhes do projeto, simulações, a tecnologia de fabricação e medidas de validação da GTEM são descritos neste trabalho
Abstract: In this work it is shown a detailed analysis, complete numerical simulations and the guidelines for the design and fabrication of a GTEM - GigaHertz Transverse Electromagnetic chamber, for pre-compliance tests of integrated circuits and electronic boards. With the built structure electromagnetic tests - EMC, including electromagnetic interference - EMI and immunity becomes feasible, on 500 MHz - 18 GHz frequency range. Besides that, an innovative concept is shown with the use of metamaterial technology applied to the GTEM chamber in order to make it more flexible in terms of frequency range. The design, simulation and fabrication strategy are clearly described along throughout this work
Doutorado
Eletrônica, Microeletrônica e Optoeletrônica
Doutor em Engenharia Elétrica
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Campanello, Kimberly. "Writing the sheela-na-gig : semiotic complexity, ekphrasis, and poetic persona in the poetry collection 'Strange Country'." Thesis, Middlesex University, 2018. http://eprints.mdx.ac.uk/25958/.
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This mixed-mode PhD comprises an ekphrastic poetry collection, Strange Country, and a critical component that accounts for my research and writing processes and articulates my poetics of ekphrasis as practised in the collection. Strange Country focuses on sheela-na-gigs, stone carvings of naked female figures that prominently depict the vulva, which are found on medieval churches, castles, wells, and town walls in Ireland, England, Scotland, and Wales. Historians and archaeologists, as well as poets, have suggested that they were/are variously meant to: act as warnings against lust and sin; ward off evil; aid in conception and childbirth; symbolize female power and sexuality; demonstrate the power of nature to give and take life; signify sovereignty over land and nation; or facilitate passage from one state to another. However, their meaning, dating, and origins are impossible to determine definitively. In contrast to these approaches that decide the sheela-na-gigs' meaning, I aimed to poetically inhabit their semiotic complexity in a full-length collection. This aspiration arose from my research and writing process, which included reading the literature on sheela-na-gigs, visiting over sixty of them, and reviewing from a practitioner's perspective literary criticism on ekphrasis as well as existing poems on sheela-na-gigs by other poets. As I strove for this semiotic complexity in my poems, I deployed a range of poetic techniques. On the one hand, I wrote lyric and narrative associative poems that have a clearly defined, autobiographical poetic persona using a technique I call 'associative ekphrasis'. On the other hand, I also chose to forgo consistent use of this speaker and came to write found and visual poems derived from an archive I compiled of documents on sheela-na-gigs (dating from the 19th century to the present). Finally, I wrote a long poem that uses a hybrid formal strategy. The critical commentary traces my creative decision-making process with a particular focus on the position and function of the poetic 'I'. In the commentary, I use Roland Barthes's notion of punctum and Federico García Lorca's duende to describe my experience of the carvings and my desire to emphasize their inexplicable impact and enigma in my poems. In order to analyze the sheela poems by other poets and to account for my own writing practice, I use literary terminologies and debates relating to ekphrasis, and I employ perspectives on the poetic 'I' from the poetics of lyric 'deep image' and 'postmodern witness' poetry as articulated by Robert Bly, Alicia Ostriker, and Tony Hoagland alongside the 'uncreative' poetics of Kenneth Goldsmith and Craig Dworkin. In addition to contributing a collection of poems to the body of creative responses to sheela-na-gigs, this collection and critical commentary complicate the argument that poems written in a lyric mode are necessarily more expressive, 'creative', or faithful to the ekphrastic object than those written 'uncreatively' using found text and ultimately demonstrate the productive possibilities of an non-polarized approach to these debates.
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Kälvegren, Christian, and Anna Wong. "Leveraging the Pros of the Gig Economy : How IT departments in manufacturing companies meet their consultant needs." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264220.
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The gig economy can be described as a temporary work-environment where an independent workforce uses platforms to find and draw income from work. In 2016, 20-30% of US and Europe’s population took part in some kind of independent work, and the amount of selfemployed in Sweden is growing. However, at what rate it grows differs depending on how these workers are defined. Within the gig economy, the fastest growing areas of work are in knowledge intensive- and creative environments such as consulting. Using gig consultants provides companies access to top talent within IT, which is required in many businesses and industries where digitalisation is disrupting their ways of working. One of these industries is manufacturing, where e.g. servitisation and Industry 4.0 makes the companies more digital and connected. The purpose of this thesis was to understand how manufacturing companies handle their external talent management and demand for consultant hires within IT, both now and in the future as the amount of gig consultants increases. This was done by conducting interviews with representatives from five Swedish manufacturing companies within automotive and machinery. The interviewees had different roles, but were or had been responsible for hiring consultants within IT. The empirics gained from the interviews were combined with theory, mainly on talent management and managing external talent. The main findings from the study were that in most cases, the companies do not choose between a consultant and a gig consultant, they rather look for the right competence. Gig consultants are however seen as more of experts and can specifically be hired when frontedge or niched competence is needed. On the other hand, consultants can be used when a complete solution has to be delivered as the capacity of a consultancy is higher. To ensure successful consultant hires, the IT departments work with preferred suppliers with whom they have framework agreements to access and hire talent. These suppliers include both consultancies and brokers, from where they get both regular consultants and gig consultants. In general, what defines a successful hire of a consultant is that he or she is sufficiently competent and able to quickly adapt to the company. Additionally, a successful hire is when the project or assignment is completed on time with good result. The main advantages with hiring gig consultants are that acquiring competence can be made easier and more flexible, they can also access more niched competencies. The main disadvantage is that it is unclear who takes responsibility if a gig consultant cannot deliver as they are not part of a firm who can send a replacement. However, some brokers seem to replace the gig consultant.Gigekonomin kan beskrivas som en tillfällig arbetsmiljö där en självständig arbetsstyrka använder sig av plattformar för att hitta och tjäna pengar på sitt arbete. Under 2016 jobbade 20-30% av befolkningen i USA och Europa med någon form av självständigt arbete, och denna grupp växer i antal i Sverige. Däremot kan tillväxttakten se lite olika ut beroende på hur man definierar dessa självständiga arbetare. De snabbast växande områdena för självständigt arbete inom gigekonomin är i kunskapsintensiva och kreativa områden såsom konsultbranschen. Genom att använda sig av så kallade gigkonsulter kan företag få tillgång till topptalanger och kompetens inom IT, vilket det är ett stort behov av inom många industrier där digitaliseringen radikalt förändrar de arbetssätt som finns. En av dessa industrier är den tillverkande industrin, där bland annat servitisation och Industry 4.0 gör att företagen måste bli mer digitala och uppkopplade. Syftet med detta examensarbete var att undersöka hur tillverkande företag jobbar med extern talent management och sitt behov av extern kompetens inom IT, både nu och i framtiden eftersom antalet gigkonsulter ökar. Studien genomfördes genom intervjuer med representanter från fem svenska tillverkande företag med inriktning mot fordon och maskiner. De personer som intervjuades hade olika roller inom företagen, men jobbar med eller har erfarenhet av att hyra in konsulter inom IT. Den empiri som intervjuerna gav kombinerades med teori, huvudsakligen inom talent management och hur man jobbar med extern inhyrning av kompetens. De viktigaste upptäckterna från studien var att företagen i de flesta fall inte väljer mellan en konsult och en gigkonsult, de letar snarare efter rätt kompetens. Gigkonsulter ses dock som experter i större utsträckning och används speciellt när spetskompetens behövs. Däremot används konsulter i större utsträckning när en komplett lösning behöver levereras då ett konsultföretags kapacitet är högre eftersom de har anställda konsulter. För att lyckas med en extern inhyrning så använder företagen så kallade “preferred suppliers” som de har ramavtal med. Bland dessa finns både klassiska konsultföretag med anställda konsulter och så kallade konsultmäklare som de använder för att ta in gigkonsulter. Generellt definierar företagen en inhyrning som lyckad om personen är tillräckligt kompetent och snabbt kan anpassa sig till företaget och dess arbetssätt, och projektet eller uppdraget blir klart i tid med gott resultat. Den främsta fördelen företagen ser med gigkonsulter är att man lättare och mer flexibelt kan få tag på kompetens. Den främsta nackdelen är att det finns en osäkerhet i vem som tar ansvar om en gigkonsult inte kan leverera, eftersom de inte jobbar för en konsultfirma som kan skicka en ersättare. Vissa konsultmäklare verkar dock ordna en ersättare.
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Rospigliosi, Bustamante Renzo Jorge. "Sobre la performatividad de los objetos sonoros en el gig-theatre: El proceso creativo de Prisión Euforia." Bachelor's thesis, Pontificia Universidad Católica del Perú, 2020. http://hdl.handle.net/20.500.12404/16854.
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Niwa, Masakazu, Kenji Kashiwagi, and Kazuhiro Tsukada. "Jurassic, Triassic and Permian radiolarians from the Hirayu complex of the Mino Belt in the Nyukawa-Hirayu area, Gifu Prefecture, central Japan." Dept. of Earth and Planetary Sciences, Nagoya University, 2003. http://hdl.handle.net/2237/7628.
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