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Rozprawy doktorskie na temat „URL overlap”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 12 lutego 2022

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Bhat, Goutam. "Accurate Tracking by Overlap Maximization." Thesis, Linköpings universitet, Datorseende, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-154653.

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Visual object tracking is one of the fundamental problems in computer vision, with a wide number of practical applications in e.g.\ robotics, surveillance etc. Given a video sequence and the target bounding box in the first frame, a tracker is required to find the target in all subsequent frames. It is a challenging problem due to the limited training data available. An object tracker is generally evaluated using two criterias, namely robustness and accuracy. Robustness refers to the ability of a tracker to track for long durations, without losing the target. Accuracy, on the other hand, denot
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Kronstrand, Alexander, and Andreas Holmqvist. "Overlay Network." Thesis, Linköpings universitet, Informationskodning, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-119498.

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Nowadays, optical fiber is widely used in several areas, especially in communication networking. The main reason is that optical fiber has low attenuation and high bandwidth. However, the switching functionality is performed in the electrical domain (inside the router), thus we have transmission delays in the network lanes. In this study we explore the possibility of developing a hardware “plug-in” that can be connected in parallel with routers of the network enabling the router with “plug-in” to let it bypass time-critical traffic. We researched different switching techniques for optical fibe
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Lind, Desirée, and Sara Sjöblom. "Ingen dör om jag inte svarar på ett mail : Information overload och Interaction overload genom arbetsmailen." Thesis, Högskolan för lärande och kommunikation, Högskolan i Jönköping, HLK, Medie- och kommunikationsforskning, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-20661.

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I det moderna informationssamhället vi lever i, har tillgången till informations- och kommunikationsteknologin ökat och det har aldrig varit så enkelt att förmedla och ta emot information som det är idag. Detta har till stor del underlättat inom arbetslivet då det globala avståndet minskar och vi har möjlighet att arbeta från ett flertal olika platser. Däremot kan den andra sidan av myntet innebära att vi tar emot mer information än vad vi har förmåga till att hantera och detta kan medföra att vi blir överbelastade. När informationen transformeras till någonting negativt och påfrestande brukar
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Tegegne, Mekuria, and Amir Etbaeitabari. "Analysis and Synthesis of object overlap in Microscopy Images." Thesis, Högskolan i Halmstad, Intelligenta system (IS-lab), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-19727.

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We propose a test-bed application for synthesis and analysis of multi-layeredmicroscopy data with variation in depth of focus(DOF), where we considerthe problem of detecting object overlap.For the synthesis part, the objects are elliptical in appearance with the possibilityof setting dierent parameters like noise, resolution, illumination,circularity, area and orientation.For the analysis part, the approach allows the user to set several parameters,including sensitivity for error calculation and classier type for analysis.We provide a novel algorithm that exploits the multi-layered nature of t
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Wu, Xiao. "SIP on an Overlay Network." Thesis, KTH, Kommunikationssystem, CoS, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91491.

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With the development of mobile (specifically: wide area cellular telephony) technology, users’ requirements have changed from the basic voice service based on circuit switch technology to a desire for high speed packet based data transmission services. Voice over IP (VoIP), a packet based service, is gaining increasing attention due to its high performance and low cost. However, VoIP does not work well in every situation. Today Network address translation (NAT) traversal has become the main obstruction for future VoIP deployment. In this thesis we analyze and compare the existing NAT traversal
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Rashid, Lezan. "Overlay welding of FeCrAl alloys." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-44345.

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In this master thesis different overlay welding methods suitable for boiler application has been investigated. The purpose of this project is to define advantages and disadvantages for each overlay welding methods and suggest some evaluation criteria on some commercial and experimental alloys aimed for overlay welding material. Many components in a boiler are made of low alloy steel and the atmosphere in the furnace region can be very complex; therefore many different types of corrosion can occur. Weld overlay is a process where one or multiple layers of corrosion resistant material are applie
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Söderberg, Freja. "Cloud Overlap Assumption and Cloud Cover Validation for HARMONIE-AROME." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-283606.

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One major challenge in representing the state of the atmosphere through weather forecast models, is the parametrization of sub-grid clouds. At every vertical column of grid cells within a weather forecast model, the fractional cloud cover is assumed to overlap according to a prescribed Cloud Overlap Assumption (COA). Since the total cloud cover is used in radiation schemes, the choice of COA affects e.g. radiative fluxes. High-quality weather forecasts is important for many aspects of the society, thus, the analysis of cloud parametrizations is significant. In this study, COAs for the HIRLAM A
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Mastour, Eshgh Somayeh Sadat. "Distributed Reinforcement Learning for Overlay Networks." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92131.

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In this thesis, we study Collaborative Reinforcement Learning (CRL) in the context of Information Retrieval in unstructured distributed systems. Collaborative reinforcement learning is an extension to reinforcement learning to support multiple agents that both share value functions and cooperate to solve tasks. Specifically, we propose and develop an algorithm for searching in peer to peer systems by using collaborative reinforcement learning. We present a search technique that achieve higher performance than currently available techniques, but is straightforward and practical enough to be eas
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Sundström, Ludvig. "A Force Directed Placement Method Including Angular Resolution and Bond Overlap." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-276290.

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This study presents a variant of the "spring method" for visualizing simple and undirected graphs. In addition to elementary spring energies, we introduce continuous energy terms for bond angles and bond overlap. To find a good graph layout, the energy of a graph is minimized using an optimization technique including the conjugate gradient method. We strive for a simple, flexible, conceptually intuitive and efficient algorithm. Experiments indicate good results from reducing bond overlap, while optimizing bond angles are more difficult without sacrificing other visualization qualities.
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Östman, Alexander. "Distributed Dominant Resource Fairness using Gradient Overlay." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-215275.

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Resource management is an important component in many distributed clusters. A resource manager handles which server a task should run on and which user’s task that should be allocated. If a system has multiple users with similar demands, all users should have an equal share of the cluster, making the system fair. This is typically done today using a centralized server which has full knowledge of all servers in the cluster and the different users. Having a centralized server brings problems such as single point of failure, and vertical scaling on the resource manager. This thesis focuses on fai
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Acosta, April Anne. "Behaviour of the Cold-formedTrapezoidal Sheet Overlap Jointin a Gerber Lapped Connection." Thesis, Luleå tekniska universitet, Byggkonstruktion och brand, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68309.

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Terelius, Håkan, Guodong Shi, Jim Dowling, Amir Payberah, Ather Gattami, and Karl Henrik Johansson. "Converging an Overlay Network to a Gradient Topology." KTH, Reglerteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-46515.

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In this paper, we investigate the topology convergence problem for the gossip-based Gradient overlay network. In an overlay network where each node has a local utility value, a Gradient overlay network is characterized by the properties that each node has a set of neighbors containing higher utility values, such that paths of increasing utilities emerge in the network topology. The Gradient overlay network is built using gossiping and a preference function that samples from nodes using a uniform random peer sampling service. We analyze it using tools from matrix analysis, and we prove both the
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Rahimian, Fatemeh. "Enabling Internet-Scale Publish/Subscribe In Overlay Networks." Licentiate thesis, KTH, Programvaru- och datorsystem, SCS, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-43716.

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As the amount of data in todays Internet is growing larger, users are exposedto too much information, which becomes increasingly more difficult tocomprehend. Publish/subscribe systems leverage this problem by providingloosely-coupled communications between producers and consumers of data ina network. Data consumers, i.e., subscribers, are provided with a subscriptionmechanism, to express their interests in a subset of data, in order to be notifiedonly when some data that matches their subscription is generated by theproducers, i.e., publishers. Most publish/subscribe systems today, are basedon
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Rensfelt, Olof. "Tools and methods for evaluation of overlay networks." Licentiate thesis, Uppsala universitet, Avdelningen för datorteknik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-85836.

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Overlay networks is a popular method to deploy new functionality which does not currently exist in the Internet. Such networks often use the peer-to-peer principle where users are both servers as well as clients at the same time. We evaluate how overlay networks performs in a mix of strong and weak peers. The overlay system of study in this thesis is Bamboo, which is based on a distributed hash table (DHT). For the performance evaluation we use both simulations in NS-2 and emulations in the testbed PlanetLab. One of our contributions is an NS-2 implementation of the Bamboo DHT. To simulate nod
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Radegård, Madeleine. "Habitatanvändning av svartmes (Periparus ater) och entita (Poecile palustris)." Thesis, Karlstads universitet, Institutionen för miljö- och livsvetenskaper, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-65418.

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Competition is common between closely related species, no less between birds. For tits in temperate forests, competition for food and space is usually stronger during winter, as foraging opportunities are few. Many species with an otherwise broad diet, therefore,  start eating the same available food items and thus increase their overlap in the use of food resources. The purpose of this study was to investigate whether coal tits and marsh tits compete with each other. The observations were made in 10 selected locations with varying types of forests. In the study, 20 entrants and 20 blacks were
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Gustafsson, Jennie, and Sofia Olsson. "Overall : Produktutveckling inom barnkonfektion." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-16857.

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Barnoveraller är ett specifikt område inom klädesbranschen. Det ligger lång produktutveckling bakom, som har pågår under ett flertal år, vilket har förbättrat slutprodukten vad det gäller material, beläggningar och sömnadstyper.I B-uppsatsen finner du lättare materialinformation, konstruktionsinformation, nationella samt internationella standarder, krav ställda ifrån tre olika företag och utav ”barnoverallskunden”. Det här samarbetet blir vårt försök att bidra till barnoverallsmarknaden.Vi har utgått ifrån vår referens, ett privatägt barnklädesföretag från Bollebygd, Sverige.1 De har gett oss
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Fuchs, Sina [Verfasser], Robert [Gutachter] Fürst, and Urs [Gutachter] Christen. "Generation of a novel mouse model for the study of autoimmune liver disease overlap syndrome / Sina Fuchs ; Gutachter: Robert Fürst, Urs Christen." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2019. http://d-nb.info/1194060188/34.

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Tefera, Mismaku Hiruy. "Attacks on structured P2P overlay networks : Simulating Sybil Attacks." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-21166.

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Shafaat, Tallat Mahmood. "Dealing with Network Partitions and Mergers in Structured Overlay Networks." Licentiate thesis, Stockholm : Skolan för informations- och kommunikationsteknik, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10211.

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Arif, Muhammad. "Scalable 5-Tuple Packet Classification in Overlay Network-Based SDN." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-195084.

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Traditional networking paradigm, with destination-based forwarding, provides low processing latency in terms of lookup time and it can scale to huge number of rules for traffic engineering. On the other hand, it lacks flexibility in terms of the packet header fields that can be used to implement the traffic engineering rules. The global view of the network or network abstraction is also lacking here, hence it is harder to program the network. The flexibility and programmability problem are two reasons, among others, that motivate the rise of the Software-Defined Network (SDN) paradigm: higher
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Eliasson, Elin. "Påverkas läshastigheten och valet av färgat overlay av ljusets färgtemperatur?" Thesis, Linnéuniversitetet, Institutionen för medicin och optometri (MEO), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-76094.

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Syfte: Syftet med studien var att undersöka om ljusets färgtemperatur påverkar läshastigheten och valet av ett färgat overlay. Metod: I studien deltog 35 personer, 26 kvinnor och 9 män. Tre deltagare uteslöts då de inte klarade normalvärdena för de kliniska tester som genomfördes. De deltagare som klarade de kliniska testerna läste ett lästest under två ljuskällor med olika färgtemperatur, en varmvit och en neutralt vit. Testet lästes i en minut med och utan färgade overlays under båda ljuskällorna och antalet lästa ord noterades. Antalet lästa ord analyserades sedan med parade t-tester i Micr
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Adolfsson, Fredrik. "A Model-Based Approach to Hands Overlay for Augmented Reality." Thesis, Linköpings universitet, Programvara och system, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-175190.

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Augmented Reality is a technology where the user sees the environment mixed with a virtual reality containing things such as text, animations, pictures, and videos. Remote guidance is a sub-field of Augmented Reality where guidance is given remotely to identify and solve problems without being there in person. Using hands overlay, the guide can use his or her hand to point and show gestures in real-time. To do this one needs to track the hands and create a video stream that represents them. The video stream of the hands is then overlaid on top of the video from the individual getting help. A s
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Wang, Eric. "An Urban Mobility Overlay for Evaluating Cellular Driven Vehicle Teleoperation." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-347565.

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Cellular Driven Vehicle Teleoperation is far too expensive to deploy and implementin real life. Most research community use simulation as a solution. Nowadays most evaluations are based on one simulator either for traffic or network. In order to guarantee the safety and accuracy for operating a vehicle at distance, in this project,we first did a state-of-art study of simulators and developed traffic and network scenarios using microscopic traffic simulator SUMO (Simulator of Urban MObility) and accurate network simulator NS3 (Network Simulator 3) then integrated them together. To have the accu
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Neshvadian, Bakhsh Keivan. "Evaluation of Bond Strength between Overlay and Substrate in Concrete Repairs." Thesis, KTH, Betongbyggnad, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-36796.

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Good bond strength between overlay and substrate is a key factor in performance of concrete repairs. This thesis was aimed at studying the evaluation of bond strength between repair material and substrate at the interface. Many factors such as surface roughness, existence of micro cracks, compaction, curing etc influence the bond strength. The quality assurance of the bond strength requires test methods that can quantify the bond strength as well as identify the failure mode. There have been numerous investigations led to development of different test methods. The forces which are applied in e
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Nilsson, Björn, and Suzane Jetisi. "Information Overload - ett problem inom akutsjukvården?" Thesis, Växjö University, School of Mathematics and Systems Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-1404.

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<p>Information overload förekommer på alla arbetsplatser där informationsbearbetning är viktigt för arbetsprocesserna. I vissa fall kan information overload medföra allvarliga konsekvenser både för den enskilda medarbetaren och för verksamheten i stort. På akutmottagningen på Centrallasarettet i Växjö har sjuksköterskorna en viktig roll som samordnare av den information som används i patientarbetet. Syftet med denna undersökning är att undersöka vilka faktorer som främst orsakar information overload hos sjuksköterskorna på akutmottagningen CLV, samt att undersöka hur fenomenet IO påverkar vård
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Murukesvan, Abhinash. "Distributed Overlays in Wireless Sensor Networks." Thesis, KTH, Kommunikationssystem, CoS, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92202.

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This thesis investigates two architectures and compares their suitability for selective application and user differentiation in sensor networks. A hierarchical architecture consisting of more capable cluster heads surrounded by weaker nodes is compared to a flat architecture of equally powerful nodes. In both architectures there exists a logical overlay network that connects the nodes, depending on the application and user. Furthermore, a broadcast encryption scheme is proposed to aid in distributing keys to nodes for secure communication and to maintain these restricted groups.<br>applikation
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Gustafsson, Maria. "Läshastighet på datorskärm med färgade overlays." Thesis, Linnéuniversitetet, Institutionen för medicin och optometri (MEO), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-65546.

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Syfte: Att undersöka läshastigheten på datorskärm och om den kan förbättras med hjälp av färgade overlays, samt om det finns någon skillnad i läshastighet på utskrivet papper och datorskärm. Metod: Deltagarna (n=30) fick läsa ett Wilkins rate of reading test översatt till svenska, där antalet ord som hann läsas upp högt under en minut jämfördes då de läste på papper utan overlay och på datorskärm med och utan overlay. Studien gjordes på studenter mellan 18-31 år. Resultat: Den här studien visar att det inte finns någon signifikant skillnad i läshastighet mellan läsning på utskrivet papper och
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Seger, Richard. "Effect of tungsten carbides properties of overlay welded WC/NiSiB composite coatings." Thesis, KTH, Industriell produktion, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147580.

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To get a long life of a product which is subjected to heavy mechanical wear, materials with particularly good properties such as high hardness and the ability to resist high temperature is required. Tungsten carbide is a material which has these properties, but to manufacture large products for mining industry or agriculture entirely of this material is neither practical nor quite beneficial when the disadvantages of the materials such as brittleness, high weight and high price will have a major affect. To exploit material properties in a beneficial way it is more convenient to coat the surfac
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Kassahun, Mebratu. "Secure Routing in Structured P2P Overlay : Simulating Secure Routing on Chord DHT." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-24265.

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Fully distributed systems offer the highest level of freedom for the users. For this reason, in today’s Internet, it is recorded that more than 50% of the packets moving in and out belong to this type of network. Huge networks of this kind are built on the top of DHTs, which follow a more structured communication compared to the other small peer-to-peer networks. Although nature always favors freedom and independ-ence, security issues force consumers to set up their network in a cen-trally controlled manner. One of security threats posed on such net-works is lookup attacks. A lookup attacks ar
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Lundberg, Anders, and Teresa Kuu. "A Role-based intranet : Overcoming information overload?" Thesis, Växjö University, School of Mathematics and Systems Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-1068.

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Khelghatdoust, Mansour. "Gossip based peer sampling in social overlays." Thesis, KTH, Kommunikationsnät, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144278.

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Performance of many P2P systems depends on the ability  to construct a ran- dom overlay network among the nodes. Current state-of-the-art techniques for constructing random overlays have an implicit  requirement that any two nodes in the system should always be able to communicate and establish a link be- tween them.  However, this is not the case in some of the environments where distributed systems are required to be deployed,  e.g, Decentralized Online So- cial Networks, Wireless networks, or networks with limited connectivity because of NATs/firewalls,  etc. In such restricted networks, ev
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Payberah, Amir. "Distributed Optimization of P2P Media Delivery Overlays." Licentiate thesis, SICS, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-23989.

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Media streaming over the Internet is becoming increasingly popular. Currently, most media is delivered using global content-delivery networks, providing a scalable and robust client-server model. However, content delivery infrastructures are expensive. One approach to reduce the cost of media delivery is to use peer-to-peer (P2P) overlay networks, where nodes share responsibility for delivering the media to one another. The main challenges in P2P media streaming using overlay networks include: (i) nodes should receive the stream with respect to certain timing constraints, (ii) the overlay shou
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Payberah, Amir H. "Distributed Optimization of P2P Media Delivery Overlays." Licentiate thesis, KTH, Programvaru- och datorsystem, SCS, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33287.

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Media streaming over the Internet is becoming increasingly popular. Currently, most media is delivered using global content-delivery networks, providing a scalable and robust client-server model. However, content delivery infrastructures are expensive. One approach to reduce the cost of media delivery is to use peer-to-peer (P2P) overlay networks, where nodes share responsibility for delivering the media to one another. The main challenges in P2P media streaming using overlay networks include: (i) nodes should receive the stream with respect to certain timing constraints, (ii) the overlay shou
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MURZABULATOV, ARMAN. "The problem of resume overload during talent acquisition." Thesis, KTH, Tillämpad maskinteknik (KTH Södertälje), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170036.

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Sundling, Catherine. "Overall Accessibility of Public Transport for Older Adults." Doctoral thesis, Stockholms universitet, Perception och psykofysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-126301.

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This thesis is based on four studies that explore accessibility for older adults during whole trips by public transport. The overall goal was to gain knowledge of the interrelationships among key variables and to develop a conceptual model of the overall accessibility of public transport. More specifically, the research goals were: (a) to explore links among the key variables postulated to be involved in overall accessibility and to explore the links between these variables and railway accessibility; (b) to gain a deeper understanding of links between critical incidents in traveling and travel
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Olsson, Therese. "Morphological traits in hair lichens affect their water storage." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-94897.

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The aim with this study was to develop a method to estimate total area of hair lichens and to compare morphological traits and water storage in them. Hair lichens are an important component of the epiphytic flora in boreal forests. Their growth is primarily regulated by available water, and light when hydrated. Lichens have no active mechanism to regulate their water content and their water holding capacity (WHC, mg H2O/cm2) is thus an important factor for how long they remain wet and metabolically active. In this study, the water uptake and loss in five hair lichens (Alectoria sarmentosa, thr
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37

Paul, Ruma R. "An Empirical Study of the Global Behavior of Structured Overlay Networks as Complex Systems." Licentiate thesis, KTH, Programvaruteknik och Datorsystem, SCS, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174048.

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Distributed applications built on top of Structured Overlay Networks (SONs) operate based on certain self-* behaviors of the underlying Peer-to-Peer network. Among those, self-organization and self-healing are the two most prominent and assumed properties. The operating environment of distributed systems continues to be more inhospitable with the advance and demand of new technologies; for example in case of mobile and ad hoc networks Churn (node turnover) can be extremely high due to node mobility, frequent disconnects/reconnects and configuration changes. Also, in such dynamic environments,
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38

Moberg, Emilie. "Breakdowns, overlaps and ambivalence : an Actor-network theory study of the Swedish preschool curriculum." Doctoral thesis, Stockholms universitet, Barn- och ungdomsvetenskapliga institutionen, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-148631.

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Within the discipline of early childhood education research, the present study will focus on the Swedish preschool curriculum text, using a sociomaterial approach offered by Actor-network theory (ANT). The study adopts ethnographic methods, foremost participant observations in a preschool, to generate knowledge of how the curriculum text comes to act through moments in the everyday preschool work. The doctoral thesis consists of three research papers. Research paper I explores the delayed access to the field through the occurrence of a water leak. Through the focus on the value of breakdowns i
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Dadwal, Raman, and Ahmad Ziad. "Managing fluctuations in Overall Equipment Effectiveness : A Fuzzy approach." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Industriell organisation och produktion, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-47065.

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40

Abrahamsson, Henrik. "Network overload avoidance by traffic engineering and content caching." Doctoral thesis, SICS, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-24104.

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The Internet traffic volume continues to grow at a great rate, now driven by video and TV distribution. For network operators it is important to avoid congestion in the network, and to meet service level agreements with their customers. This thesis presents work on two methods operators can use to reduce links loads in their networks: traffic engineering and content caching. This thesis studies access patterns for TV and video and the potential for caching. The investigation is done both using simulation and by analysis of logs from a large TV-on-Demand system over four months. The results sho
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41

Rylander, Björn. "Kognitiva begränsningar i webbmiljö : En fältstudie av Information overload." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-21246.

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När informationsmängden överskrider den mänskliga kognitiva förmågan att hantera information leder detta till information overload. Tidigare studier har visat att information overload har en negativ påverkan på förmågan att hitta det bästa alternativet. Även viljan att köpa en produkt har visats bli negativt påverkad av för många alternativ. Denna fältstudie utfördes i en online-miljö på en jämförelsesida för snabblån och undersökte om andelen besökare som klickade sig vidare till ett alternativ, det som i studien benämns som konverteringsgrad, kunde påverkas genom
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42

Aggeland, Christoffer, and Sofia Olsson. "Världen med notifikationer : En studie om individers upplevda känslor kring notifikationer på sociala medier." Thesis, Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-23051.

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Sociala medier har ökat lavinartat sedan internet nådde människors hem under  90-talet. Enbart det sociala mediet Facebook har  243 miljoner användare i Europa. Sociala medier har även blivit ett primärt val för de flesta användare för interaktion med varandra. I en värld där informationsflödet och varje relation är konstant uppmärksammades en brist i hur sociala medier interagerar med användaren. För att undersöka hur individer upplever notifikationerna i sociala medier användes grundaffekterna av Silvan Tomkins som kompletterades via en litteraturstudie. Notifikationer på sociala medier unde
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Söderström, Gustav. "Virtual networks in the cellular domain." Thesis, KTH, Mikroelektronik och Informationsteknik, IMIT, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-93117.

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Data connectivity between cellular devices can be achieved in different ways. It is possible to enable full IPconnectivity in the cellular networks. However this connectivity is combined with a lot of issues such as security problems and the IPv4 address space being depleted. As a result of this many operators use Network Address Translation in their packet data networks, preventing users in different networks from being able to contact each other. Even if a transition to IPv6 takes place and the potential problem of address space is solved, it is not likely that operators will leave their pac
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Moreno, Laura. "Business strategy, marketing strategy and manufacturing strategy: an overall alignment." Thesis, Linköping University, Department of Management and Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11213.

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<p>Today’s businesses face a competitive war; conceptually, similar to the ones in ancient times. The arena in which this war is battled is the market and it is characterized by being highly dynamic and uncertain. The enemies to be beaten are the competitors who use their core competences (weapons) to conquer the customers’ orders. But no battle is won by chance, neither in business. So, there is a need for a strategy that provides the chance to defeat the enemy by gaining a sustainable competitive advantage over him. The question is: how to do it?</p><p>The functional investments, mainly in m
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Grimberg, Christian, and Caroline Ljungberg. "Medierat Brus: En studie i information overload & sociala medier." Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-23106.

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Det har länge dividerats om hur den teknologiska utvecklingen påverkar oss. Marshall McLuhan och Alvin Toffler ifrågasatte vårt beteende och berättade om hur teknikens utveckling kommer att påverka oss redan på 1960-talet. Det har också myntats uttryck som information overload och infobesity som uttrycker den stress människor upplever när de inte längre kan bearbeta den information de konstant tar del av. Sociala medier är en stor bidragande faktor till det rådande tillståndet av information overload. Det råder inte heller några tvivel om att vår användning av sociala medier mer eller mindre p
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Mähler, Viktor. "Too much information! : Information-overload from an IT-management perspective." Thesis, Umeå universitet, Institutionen för informatik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-122427.

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As workplaces have become more digitalized and improvements constantly being made in order to optimize performance, it becomes pivotal for managers to understand how stress within organizations can be linked to the information- and communication technology within them. This thesis addresses the research gap of several studies existing regarding technology-related stress, but where a majority of them are quantitative in nature and overlooking the important aspect of organizational culture. The purpose of this thesis is to create an understanding regarding how managers perceive technostress in t
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47

Li, Peigang. "Cold lap formation in Gas Metal Arc Welding of steel : An experimental study of micro-lack of fusion defects." Doctoral thesis, Högskolan Väst, Avd för maskinteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-5596.

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Cold laps are defined as micro-lack of fusion defects at the weld toe more or less parallel to the surface of the parent plate. These defects are known to negatively influence the fatigue properties of weldments. Previous studies suggest that cold lap formation can not be avoided completely in Gas Metal Arc Welding (GMAW). Therefore, a better understanding of formation mechanisms is imperative to be able to minimize the number and size of these defects. The main objective of this work has been to provide a more comprehensive understanding of cold laps, including categorising, characterisation
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48

Högman, Carl. "The effect of stripe width, stripe overlap, gas flow, and scan angle on process stability in Laser Powder Bed Fusion (L-PBF)." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-86140.

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It is known that altering different processing parameters will yield completely different results in additive manufacturing. Some of the most common ones to alter to increase material quality or to increase productivity are laser power, hatch distance, layer thickness and scan speed. These parameters directly affect the material quality and are well understood. This study investigates how the process for additive manufacturing is being affected by the more unexplored minor process parameters stripe width, stripe overlap, and gas flow, with a goal to increase to knowledge of the process stabili
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49

Blom, Fredrik. "Information Overload and the Growing Infosphere : A Comparison of the Opinions and Experiences of Information Specialists and General Academics on the Topic of Information Overload." Thesis, Uppsala universitet, Institutionen för ABM, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-158252.

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Information overload is a popular term intimately associated with the information society in which we are now thought to live. This two-year master’s thesis explores perceptions and experiences of this phenomenon through a quantitative study of two groups of academics; on the one hand, academically active information specialists, and on the other, active academics in general. The theoretical framework for this study is based on Orrin E. Klapp’s notion of ‘meaning lag’ and Luciano Floridi’s concept of ‘infosphere’, to provide a context for discussing how and why information overload might devel
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Bradley, Henrik, and David Andersson-Jit. "Årsrapporters förändring över tid : Ett svenskt perspektiv." Thesis, Karlstads universitet, Handelshögskolan, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43789.

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Årsrapporter producerade av bolag anses vara det traditionella sättet att kommunicera mellan publika aktiebolag och dess intressenter. Enligt tidigare forskning i andra länder har dock årsrapporters storlek och struktur förändrats. Uppsatsen syftar till att undersöka hur årsrapporters storlek och struktur har förändrats över en 11-årsperiod (2004-2014) i svenska noterade bolag, samt hitta motiven till varför årsrapporterna har förändrats. Väsentliga teorier valdes för att få en bättre förståelse avseende området, men även som möjliga motiv för förändrade årsrapporter. En innehållsanalys på de
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