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Dissertations / Theses on the topic 'Data direction'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2025

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1

Otieno, Bennett Sango. "An Alternative Estimate of Preferred Direction for Circular Data." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/28401.

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Circular or Angular data occur in many fields of applied statistics. A common problem of interest in circular data is estimating a preferred direction and its corresponding distribution. This problem is complicated by the so-called wrap-around effect, which exists because there is no minimum or maximum on the circle. The usual statistics employed for linear data are inappropriate for directional data, as they do not account for the circular nature of directional data. Common choices for summarizing the preferred direction are the sample circular mean, and sample circular median. A newly propos

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2

Lee, Myung Hee Marron James Stephen. "Continuum direction vectors in high dimensional low sample size data." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,1132.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2007.<br>Title from electronic title page (viewed Mar. 27, 2008). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Statistics and Operations Research Statistics." Discipline: Statistics and Operations Research; Department/School: Statistics and Operations Research.

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3

彭運佳 and Wan-kai Pang. "Time series analysis of meteorological data: wind speed and direction." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B30425979.

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4

Pang, Wan-kai. "Time series analysis of meteorological data : wind speed and direction /." [Hong Kong] : University of Hong Kong, 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13456933.

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5

Li, Huiyong. "Enhancing Students' Self-Direction Skill with Learning and Physical Activity Data." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263776.

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6

Burintramart, Santana. "Methods for direction of arrival estimation using a single snapshot of the data." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2009. http://wwwlib.umi.com/cr/syr/main.

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7

Hibbert, Michael Patrick. "The development of a solid state wind velocity and direction indicator, suitable for data logging." Thesis, Cape Technikon, 1992. http://hdl.handle.net/20.500.11838/1117.

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Thesis (Masters Diploma (Electrical Engineering)) -- Cape Technikon, Cape Town,1992<br>This thesis describes the development of a free standing, maintenance free anemometer which has no rotating parts. The principle of operation is based on the \-vind drag/force around a hollow P.V.c. pipe. The aim is to demonstrate how the strain occurring in the P.V.C. pipe, due to wind drag/force acting on it, can generate an electrical signal which can be mathematically manipulated to determine wind velocity and wind bearing.

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Atemkeng, Marcellin T. "Data compression, field of interest shaping and fast algorithms for direction-dependent deconvolution in radio interferometry." Thesis, Rhodes University, 2017. http://hdl.handle.net/10962/6324.

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In radio interferometry, observed visibilities are intrinsically sampled at some interval in time and frequency. Modern interferometers are capable of producing data at very high time and frequency resolution; practical limits on storage and computation costs require that some form of data compression be imposed. The traditional form of compression is simple averaging of the visibilities over coarser time and frequency bins. This has an undesired side effect: the resulting averaged visibilities “decorrelate”, and do so differently depending on the baseline length and averaging interval. This t

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9

Hogler, Marcus. "Comparing head- and eye direction and accuracy during smooth pursuit in an augmented reality environment." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254999.

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Smooth pursuit is the movement that occurs when the eyes meticulously follow an object in motion. While smooth pursuit can be achieved with a stationary head, it generally relies on the head following the visual target as well. During smooth pursuit, a coordinating vestibular mechanism, shared by both the head and the eyes, is used. Therefore, smooth pursuit can reveal much about where a person is looking based on only the direction of the head. To investigate the interplay between the eyes and the head, an application was made for the augmented reality head-mounted display Magic Leap. The app

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10

Wolf, Jordan Taylor. "Trending in the Right Direction: Using Google Trends Data as a Measure of Public Opinion During a Presidential Election." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83571.

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During the 2016 presidential election, public opinion polls consistently showed a lead in the popular vote and Electoral College for Hillary Clinton over Donald Trump. Following Trump's surprise victory, the political pundits and public at large began to question the accuracy of modern public opinion polling. Fielding a representative sample, convoluted and opaque methodologies, the sheer amount of polls, and both the media's and general public's inability to interpret poll results are among the flaws of the polling industry. An alternative or supplement to traditional polling practices is nec

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11

Levchenko, O. V. "E-commerce as the main direction of international business of the future." Master's thesis, Sumy State University, 2021. https://essuir.sumdu.edu.ua/handle/123456789/86606.

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The master’s thesis focuses on the essence of definition of e-commerce, strategies and pricing principles, SEO development and data analysis in the form of international and national development of the e-commerce market. The main indexes and formulas used in data analysis of an e-commerce business. The main trends and forecasts of the e-commerce market on the international scene and development of the future of the market.<br>У роботі досліджено сутність поняття електронної комерції, стратегій та цінових принципів електронної комерції, розвиток СЕО та аналіз інформації для розвитку міжнародног

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12

Hasan, Meqdad, and Rahul Kali. "Method for Autonomous picking of paper reels." Thesis, Högskolan i Halmstad, Intelligenta system (IS-lab), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-16212.

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Autonomous forklift handling systems is one of the most interesting research in the last decades. While research fields such as path planning and map building are taking the most significant work for other type of autonomous vehicles, detecting objects that need to move and picking it up becomes one of the most important research fields in autonomous forklifts field. We in this research had provided an algorithm for detecting paper reels accurate position in paper reels warehouses giving a map of the warehouse itself. Another algorithm is provided for giving the priority of papers that want t

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13

Babu, Prabhu. "Spectral Analysis of Nonuniformly Sampled Data and Applications." Doctoral thesis, Uppsala universitet, Avdelningen för systemteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-180391.

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Signal acquisition, signal reconstruction and analysis of spectrum of the signal are the three most important steps in signal processing and they are found in almost all of the modern day hardware. In most of the signal processing hardware, the signal of interest is sampled at uniform intervals satisfying some conditions like Nyquist rate. However, in some cases the privilege of having uniformly sampled data is lost due to some constraints on the hardware resources. In this thesis an important problem of signal reconstruction and spectral analysis from nonuniformly sampled data is addressed an

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14

Ergin, Leanna N. "ENHANCED DATA REDUCTION, SEGMENTATION, AND SPATIAL MULTIPLEXING METHODS FOR HYPERSPECTRAL IMAGING." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1501871494997272.

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15

Reed, Jesse. "Approaches to Multiple-source Localization and Signal Classification." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/33081.

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Source localization with a wireless sensor network remains an important area of research as the number of applications with this problem increases. This work considers the problem of source localization by a network of passive wireless sensors. The primary means by which localization is achieved is through direction-finding at each sensor, and in some cases, range estimation as well. Both single and multiple-target scenarios are considered in this research. In single-source environments, a solution that outperforms the classic least squared error estimation technique by combining direction and

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van, Gaalen Joseph F. "Longshore Sediment Transport From Northern Maine To Tampa Bay, Florida: A Comparison Of Longshore Field Studies To Relative Potential Sediment Transport Rates Derived From Wave Information Study Hindcast Data." Scholar Commons, 2004. https://scholarcommons.usf.edu/etd/1280.

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This paper examines the regional longshore sediment transport pattern of the seaward coast of the United States and Gulf of Mexico from northern Maine to Tampa Bay, Florida. From previous studies it is known that along the coast there are variations in direction of sediment transport known as nodal zones as well as variations in sediment transport rate. Wave Information Study (WIS) hindcast data for the interval 1976 through 1995 (United States Army Corps of Engineers, 2003) provide a spatially continuous model of the regional longshore current directions in the study area. In chapter one, all

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17

Waqar, Adnan. "Enhancing the capabilities of electronic performance tracking system for applications in sports." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2022. https://ro.ecu.edu.au/theses/2562.

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The success of electronic technologies has sparked interest in sports amongst coaches, athletes and sports scientists. Consequently, the sporting world has witnessed a rapid rise in sports technologies in recent years. In sports, technologies can assist in a variety of ways, ranging from winner selection to athlete injury prevention. In recent years, wearable technologies have become popular in sports. Wearable microtechnology devices, commonly known as electronic performance tracking system (EPTS) in sports, can be used to monitor and improve an athlete's performance. EPTSs can also play an i

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18

d'Orso, Julien. "New Directions in Symbolic Model Checking." Doctoral thesis, Uppsala University, Department of Information Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3753.

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<p>In today's computer engineering, requirements for generally high reliability have pushed the notion of testing to its limits. Many disciplines are moving, or have already moved, to more formal methods to ensure correctness. This is done by comparing the behavior of the system as it is implemented against a set of requirements. The ultimate goal is to create methods and tools that are able to perform this kind of verfication <i>automatically</i>: this is called <i>Model Checking</i>.</p><p>Although the notion of model checking has existed for two decades, adoption by the industry has been ha

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19

Ranquet, Marie. "L'accès aux archives publiques en France. Le droit et la pratique vus par les archivistes depuis 1979." Electronic Thesis or Diss., Paris, Ecole nationale des chartes, 2016. http://www.theses.fr/2016ENCP0002.

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L'archivistique française est encadrée par plusieurs textes, certains à portée législative, d'autres réglementaire, les premiers d'entre eux remontant à la Révolution française: la loi du 7 messidor an II édicte le principe de l'accès libre du citoyen aux titres conservés. Ce principe est encore bien éloigné du droit d'accès du citoyen à l'information publique, qui émerge réellement avec la loi n° 78-753 du 17 juillet 1978 et le contexte des lois de « 3e génération des droits de l'homme ». Les dispositions de la loi de messidor sont amendées dès le XIXe siècle afin de protéger les intérêts de

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20

DEMNI, Houyem. "Depth-based classification approaches for directional data." Doctoral thesis, Università degli studi di Cassino, 2021. http://hdl.handle.net/11580/83781.

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Supervised learning tasks aim to define a data-based rule by which new objects are assigned to one of the given classes. To this end, a training set containing objects with known memberships is exploited. Directional data are points lying on the surface of circles, spheres or hyper-spheres. Given that they lie on a non-linear manifold, directional observations require specific methods to be analyzed. In this thesis, the main interest is to present novel methodologies and to perform reliable inferences for directional data, within the framework of supervised classification. First, a supervised

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21

Strand, Matthias. "The Business Value of Data Warehouses : Opportunities, Pitfalls and Future Directions." Thesis, University of Skövde, Department of Computer Science, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-490.

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<p>Organisations have spent billions of dollars (USD) on investments in data warehouses. Many have succeeded, but many have also failed. These failures are considered mostly to be of an organisational nature and not of a technological, as one might have expected. Due to the failures, organisations have problems to derive business value from their data warehouse investments. Obtaining business value from data warehouses is necessary, since the investment is of such a magnitude that it is clearly visible in the balance sheet. In order to investigate how the business value may be increased, we ha

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Correia, Arthur Endlein. "Methods and applications for geological directional data analysis." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/44/44141/tde-24082017-080342/.

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OpenStereo foi desenvolvido originalmente para preencher uma lacuna entre aplicativos de anáalise para geologia estrutural, como um software livre, gratuito e multi-plataforma. Ao longo dos anos ele adquiriu um grande núumero de usuários, com citações regulares. Este trabalho objetivou a reestruturação do OpenStereo como um todo, mudando-o para uma nova estrutura de interface gráfica e construíndo-o do zero visando desempenho, estabilidade e facilidade de manutenção e extensão. Diversas novas funcionalidades foram incluídas tais como projetos, conversão de notação de atitudes, ajuste de pequen

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23

Blommé, Johan. "Evaluation of biometric security systems against artificial fingers." Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1145.

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<p>Verification of users’ identities are normally carried out via PIN-codes or ID- cards. Biometric identification, identification of unique body features, offers an alternative solution to these methods. </p><p>Fingerprint scanning is the most common biometric identification method used today. It uses a simple and quick method of identification and has therefore been favored instead of other biometric identification methods such as retina scan or signature verification. </p><p>In this report biometric security systems have been evaluated based on fingerprint scanners. The evaluation method fo

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Kittivoravitkul, Sasivimol. "A bi-directional transformation approach for semistructured data integration." Thesis, Imperial College London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444093.

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25

黎文傑 and Man-kit Lai. "Some results on the statistical analysis of directional data." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31211550.

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Lai, Man-kit. "Some results on the statistical analysis of directional data /." [Hong Kong : University of Hong Kong], 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13787950.

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27

Lawlor, Fiona. "Implementation of the metadata elements of the INSPIRE directive." [Denver, Colo.] : Regis University, 2008. http://165.236.235.140/lib/FLawlor2008.pdf.

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28

Schintler, Laurie A., and Manfred M. Fischer. "Big Data and Regional Science: Opportunities, Challenges, and Directions for Future Research." WU Vienna University of Economics and Business, 2018. http://epub.wu.ac.at/6122/1/Fischer_etal_2018_Big%2Ddata.pdf.

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Recent technological, social, and economic trends and transformations are contributing to the production of what is usually referred to as Big Data. Big Data, which is typically defined by four dimensions -- Volume, Velocity, Veracity, and Variety -- changes the methods and tactics for using, analyzing, and interpreting data, requiring new approaches for data provenance, data processing, data analysis and modeling, and knowledge representation. The use and analysis of Big Data involves several distinct stages from "data acquisition and recording" over "information extraction" and "data integra

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29

Zhang, Shaosong. "Analysis of WACSIS data using a directional hybrid wave model." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4744.

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This study focuses on the analysis of measured directional seas using a nonlinear model, named Directional Hybrid Wave Model (DHWM). The model has the capability of decomposing the directional wave field into its free wave components with different frequency, amplitude, direction and initial phase based on three or more time series of measured wave properties. With the information of free waves, the DHWM can predict wave properties accurately up to the second order in wave steepness. In this study, the DHWM is applied to the analyses of the data of Wave Crest Sensor Inter-comparison Study (WAC

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Tao, Ran. "Using directional change for information extraction in financial market data." Thesis, University of Essex, 2018. http://repository.essex.ac.uk/23341/.

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Directional change (DC) is a new concept for summarizing market dynamics. Instead of sampling the financial market at fixed intervals as in the traditional time series analysis, by contrast, DC is data-driven: the price change itself dictates when a price is recorded. DC provides us with a complementary way to extract information from data. The data sampled at irregular time intervals in DC allows us to observe features that may not be recognized under time series. In this thesis we propose our new method for the summarizing of financial markets through the use of the DC framework. Firstly, we

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Tian, Zhimin. "Essays on economic consequences of inside director reputation." HKBU Institutional Repository, 2014. https://repository.hkbu.edu.hk/etd_oa/62.

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This study consists of two essays. The first essay investigates whether non-CEO inside director reputation matters in bank loan contracting. Reputable inside directors (RIDs) can improve borrowers’ financial reporting quality and reduce agency risk in loan contracting. Based on regression analysis of 5,104 loan facilities during 1999-2007 in the U.S., I find that borrowers with reputable inside directors enjoy lower loan interest rate and a smaller number of restrictive covenants, and are less likely to have the loans secured by collateral, compared with borrowers without RIDs. The results sti

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Grundstrom, Casandra, and Alexander Lövnord. "Open Data : Barriers when adopting, implementing, and innovating open data in local municipal organizations." Thesis, Umeå universitet, Institutionen för informatik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-90137.

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The open data concept is based on the EU directive from 2003 with the goal to highlight the need for member states to increase and digitalize their public data and thus achieving transparency and stimulating economic growth based on new innovations. In Sweden, the development has fallen behind expectations and are currently the worst performing nordic country in open data development. In relation, research on open data is limited, especially when it come to barriers and challenges for adopting strategies to handle open data for local public organizations. This research is therefore aimed towar

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Chornopyska, N. V., A. I. Popovych, Н. В. Чорнописька, and А. І. Попович. "Logistics & supply chain management: up-to-date research directions." Thesis, National Aviation University, 2022. https://er.nau.edu.ua/handle/NAU/54833.

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The examples of events that led to the Ripple effect in unstable, uncertain, complex, and ambiguous circumstances show how the environment is changing rapidly and requires innovative research with predictive values to help supply chains respond to change.<br>Приклади подій, які призвели до ефекту Ripple в нестабільних, невизначених, складних і неоднозначних обставинах, показують, як навколишнє середовище швидко змінюється і потребує інноваційних досліджень з прогнозними значеннями, щоб допомогти ланцюгам поставок реагувати на зміни.

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Bhattacharya, Sumit. "A Real-Time Bi-Directional Global Positioning System Data Link Over Internet Protocol." Ohio University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1121355433.

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Keche, Mokhtar. "Data association and adaptive filtering in multiple target tracking using phased arrays." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263467.

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Ramler, Ivan Peter. "Improved statistical methods for k-means clustering of noisy and directional data." [Ames, Iowa : Iowa State University], 2008.

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Stylianidis, Matthaios. "Instability of a bi-directional TiFGAN in unsupervised speech representation learning." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-302026.

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A major challenge in the application of machine learning in the speech domain is the unavailability of annotated data. Supervised machine learning techniques are highly dependent on the amount of labelled data and the quality of the labels. On the other hand, unsupervised training methods do not require labels and hence allow for the use of much larger unlabelled datasets. In this thesis work we investigate the use of an unsupervised training method for learning representations of speech data. More specifically, we extend an existing Wasserstein Generative Adversarial Network (WGAN) architectu

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XIA, QI. "Sufficient Dimension Reduction with Missing Data." Diss., Temple University Libraries, 2017. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/469880.

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Statistics<br>Ph.D.<br>Existing sufficient dimension reduction (SDR) methods typically consider cases with no missing data. The dissertation aims to propose methods to facilitate the SDR methods when the response can be missing. The first part of the dissertation focuses on the seminal sliced inverse regression (SIR) approach proposed by Li (1991). We show that missing responses generally affect the validity of the inverse regressions under the mechanism of missing at random. We then propose a simple and effective adjustment with inverse probability weighting that guarantees the validity of SI

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Edberg, Tobias. "Personal data and direct marketing : Coase Theorem on EU Directive 95/46/EC." Thesis, Linköping University, Department of Management and Economics, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-647.

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<p>The right to personal data is compared with the right to land. The concept of rights may be regarded as bundles of rights of which the right to use of scarce resources, the right to exclude and the right transfer rights are the most important ones. The development of Information Technology has reduced considerably the cost of using personal data leadingto an increased use of the data in the context of direct marketing by different firms. However, the use and processing of personal data may cause externalities, both positive and negative ones, on the individual to whom the data relates. This

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Zeitlin, Martin. "Everything Counts in Large Amounts : Protection of big data under the Database Directive." Thesis, Uppsala universitet, Juridiska institutionen, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-352009.

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Mattsson, Johansson Elna. "Design Directions for Supporting Implicit Interactions in a Market Surveillance System." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-300188.

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Enterprise systems are built for companies and used by the employees to complete work tasks. Focus on userdriven designs for consumer technology has led to expectations of user-friendly designs. Enterprise technology tends, however, to be more technology-driven rather than user-driven, creating unmatched expectations and mismatch between end-user and company objectives. This is why it is necessary to also consider enterprise systems from a user-driven perspective. Therefore, this study addresses user-driven enterprise designs through the Implicit Interaction Framework using a market surveillan

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Draycott, Samuel Thomas. "On the re-creation of site-specific directional wave conditions." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/31472.

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Wave tank tests facilitate the understanding of how complex sea conditions influence the dynamics of man-made structures. If a potential deployment location is known, site data can be used to improve the relevance and realism of the test conditions, thus helping de-risk device development. Generally this data is difficult to obtain and even if available is used simplistically due to established practices and limitations of test facilities. In this work four years of buoy data from the European Marine Energy Centre is characterised and simulated at the FloWave Ocean Energy Research Facility; a

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Mikulin, Dominic Josef. "Characterising liquid crystal cells by fitting half-leaky guided mode data using genetic algorithms." Thesis, University of Exeter, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361320.

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Ammanouil, Rita. "Contributions au démélange non-supervisé et non-linéaire de données hyperspectrales." Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4079/document.

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Le démélange spectral est l’un des problèmes centraux pour l’exploitation des images hyperspectrales. En raison de la faible résolution spatiale des imageurs hyperspectraux en télédetection, la surface représentée par un pixel peut contenir plusieurs matériaux. Dans ce contexte, le démélange consiste à estimer les spectres purs (les end members) ainsi que leurs fractions (les abondances) pour chaque pixel de l’image. Le but de cette thèse estde proposer de nouveaux algorithmes de démélange qui visent à améliorer l’estimation des spectres purs et des abondances. En particulier, les algorithmes

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Maras, Marie-Helen. "From targeted to mass surveillance : the consequences and costs of the data Retention Directive." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496583.

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Cui, Xuewen. "Directive-Based Data Partitioning and Pipelining and Auto-Tuning for High-Performance GPU Computing." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/101497.

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The computer science community needs simpler mechanisms to achieve the performance potential of accelerators, such as graphics processing units (GPUs), field-programmable gate arrays (FPGAs), and co-processors (e.g., Intel Xeon Phi), due to their increasing use in state-of-the-art supercomputers. Over the past 10 years, we have seen a significant improvement in both computing power and memory connection bandwidth for accelerators. However, we also observe that the computation power has grown significantly faster than the interconnection bandwidth between the central processing unit (CPU) and t

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ARRUDA, MARCELO MEDEIROS. "VISUALIZATION OF SEISMIC VOLUMETRIC DATE USING A DIRECTIONAL OCCLUSION SHADING MODEL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2012. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=21391@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>A interpretação de dados sísmicos é de fundamental importância para a industria de óleo e gás. Uma vez que esses tipos de dados possuem um caráter volumétrico, não é tão simples se identificar e selecionar atributos presentes em sua estrutura 3D. Além disso, a grande presença de ruídos e concavidades acentuadas nesse tipo de dado aumenta a complexidade de sua manipulação e visualização. Devido a essas características, a geometria do dado é mu

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Merrifield, Alistair James. "An Investigation Of Mathematical Models For Animal Group Movement, Using Classical And Statistical Approaches." Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1132.

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Collective actions of large animal groups result in elaborate behaviour, whose nature can be breathtaking in their complexity. Social organisation is the key to the origin of this behaviour and the mechanisms by which this organisation occurs are of particular interest. In this thesis, these mechanisms of social interactions and their consequences for group-level behaviour are explored. Social interactions amongst individuals are based on simple rules of attraction, alignment and orientation amongst neighbouring individuals. As part of this study, we will be interested in data that takes the

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49

Merrifield, Alistair James. "An Investigation Of Mathematical Models For Animal Group Movement, Using Classical And Statistical Approaches." University of Sydney, 2006. http://hdl.handle.net/2123/1132.

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Doctor of Philosophy<br>Collective actions of large animal groups result in elaborate behaviour, whose nature can be breathtaking in their complexity. Social organisation is the key to the origin of this behaviour and the mechanisms by which this organisation occurs are of particular interest. In this thesis, these mechanisms of social interactions and their consequences for group-level behaviour are explored. Social interactions amongst individuals are based on simple rules of attraction, alignment and orientation amongst neighbouring individuals. As part of this study, we will be intereste

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Ramos, Sara Cristina Assis. "As determinantes do investimento directo estrangeiro em Portugal." Master's thesis, Universidade de Évora, 2011. http://hdl.handle.net/10174/15128.

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Esta dissertação tem com objectivo analisar as determinantes do Investimento Directo Estrangeiro (IDE) em Portugal, para o período 1995-2008. O presente estudo procura testar as teorias do investimento internacional, confrontando-as com novos paradigmas: a globalização da economia mundial e a liberdade económica. Para além destas variáveis explicativas foram ainda introduzidas as hipóteses clássicas, como a dimensão do mercado, o grau de abertura, a estabilidade macro económica e a política salarial. Ao nível da metodologia o estudo visa analisar as determinantes do IDE utilizando dados em pai

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