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Rozprawy doktorskie na temat „Trace Clustering”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Abonyi, J., FD Tamás, S. Potgieter, and H. Potgieter. "Analysis of Trace Elements in South African Clinkers using Latent Variable Model and Clustering." South African Journal of Chemistry, 2003. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000893.

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The trace element content of clinkers (and possibly of cements) can be used to identify the manufacturing factory. The Mg, Sr, Ba, Mn, Ti, Zr, Zn and V content of clinkers give detailed information for the determination of the origin of clinkers produced in different factories. However, for the analysis of such complex data there is a need for algorithmic tools for the visualization and clustering of the samples. This paper proposes a new approach for this purpose. The analytical data are transformed into a twodimensional latent space by factor analysis (probabilistic principal component analy

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Abonyia, J., FD Tamas, and S. Potgieter. "Analysis of trace elements in South African clinkers using latent variable model and clustering." South African Journal of Chemistry, 2003. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001952.

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Abstract The trace element content of clinkers (and possibly of cements) can be used to identify the manufacturing factory. The Mg, Sr, Ba, Mn, Ti, Zr, Zn and V content of clinkers give detailed information for the determination of the origin of clinkers produced in different factories. However, for the analysis of such complex data there is a need for algorithmic tools for the visualization and clustering of the samples. This paper proposes a new approach for this purpose. The analytical data are transformed into a twodimensional latent space by factor analysis (probabilistic principal compon

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Iegorov, Oleg. "Une approche de fouille de données pour le débogage temporel des applications embarquées de streaming." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAM032/document.

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Le déboggage des applications de streaming qui s'exécutent sur les systèmes embarqués multimédia est l'un des domaines les plus exigeants dans le développement de logiciel embarqué. Les nouvelles générations de materiel embarqué introduisent de nouvelles systèmes sur une puce, qui fait que les développeurs du logiciel doivent adapter leurs logiciels aux nouvelles platformes. Le logiciel embarqué doit non seulement fournir des résultats corrects mais aussi le faire en temps réel afin de respecter les propriétés de qualité de service (Quality-of-Service, QoS) du système. Lorsque les propriétés Q

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Dos, Santos Morgane. "Modélisation de la topologie des dépôts d’énergie créés par un rayonnement ionisant à l’échelle nanométrique dans les noyaux cellulaires et relation avec les événements précoces radio-induits." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR14865/document.

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Les rayonnements ionisants sont connus pour induire des dommages critiques au sein de la matière biologique et spécialement au sein de l’ADN. Parmi ces dommages, les cassures doubles brins de l’ADN (DSB) sont considérées comme les principales responsables des effets létaux des rayonnements. Comprendre et prédire comment ces cassures sont créées et réparées dans les noyaux cellulaires demeure un défi dans la recherche en radiobiologie. Ce travail s’inscrit dans ce contexte, dans la modélisation des cassures double brin de l’ADN (DSB) à partir des dépôts d’énergie créés par l’irradiation au nive

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Peltonen, Joanna. "Effective Spatial Mapping for Coupled Code Analysis of Thermal–Hydraulics/Neutron–Kinetics of Boiling Water Reactors." Doctoral thesis, KTH, Kärnkraftsäkerhet, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-122088.

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Analyses of nuclear reactor safety have increasingly required coupling of full three dimensional neutron kinetics (NK) core models with system transient thermal–hydraulics (TH) codes. In order to produce results within a reasonable computing time, the coupled codes use two different spatial description of the reactor core. The TH code uses few, typically 5 to 20 TH channels, which represent the core. The NK code uses explicit one node for each fuel assembly. Therefore, a spatial mapping of a coarse grid TH and a fine grid NK domain is necessary. However, improper mappings may result in lo

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Petraro, Alessandro. "Clustering di tracce di mobilità per l’identificazione di stili di guida." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13003/.

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Traffic simulators are effective tools to support decisions in urban planning systems, to identify criticalities, to observe emerging behaviours in road networks and to configure road infrastructures, such as road side units and traffic lights. Clearly the more realistic the simulator the more precise the insight provided to decision makers. This paper provides a first step toward the design and calibration of traffic micro-simulator to produce realistic behaviour. The long term idea is to collect and analyse real traffic traces collecting vehicular information, to cluster them in groups repre

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Makuwaza, Gwynneth Chandakaita. "Clustering as a strategy for manufacturing performance in the Eastern Cape Automotive industry." Thesis, Rhodes University, 2001. http://hdl.handle.net/10962/d1002670.

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South Africa's current industrial policy focuses on the economy at two levels: a sectoral and spatial level. The former relates to the manner in which industrial policy is concentrating on particular sectors i.e. industrial clusters. This shift in industrial policy from targeting individual industries to an emphasis on industrial clusters, has complemented the change in focus to export promotion under trade policy. Furthermore, there has been increasing recognition of the need to improve industry performance and competitiveness in order to successfully implement export growth. Industry cluster

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Anzano, Eugeno S. "Fuzzy Clustering Means algorithm for track fusion in U.S. Coast Guard Vessel Traffic Service systems /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA368496.

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Anzano, Eugenio S. "Fuzzy Clustering Means algorithm for track fusion in U.S. Coast Guard Vessel Traffic Service systems." Thesis, Monterey, California: Naval Postgraduate School, 1999. http://hdl.handle.net/10945/13489.

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This thesis presents a fuzzy association based data fusion algorithm for U.S. Coast Guard Vessel Traffic Service (VTS) systems to reduce the number of redundant target tracks displayed to vessel traffic operators. The proposed algorithm uses the Fuzzy Clustering Means (FCM) algorithm to reduce the number of target tracks and associate duplicate tracks by determining the degree of membership for each target track. The algorithm uses current sensor data and the known sensor resolutions for measurement-to-measurement association and the selection of the most accurate sensor for tracking fused tar

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Qin, Tian. "Estimation of Water Demands Using an MCMC Algorithm with Clustering Methods." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1544002222852385.

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Bäckström, Gloria. "Protons, other Light Ions, and 60Co Photons : Study of Energy Deposit Clustering via Track Structure Simulations." Doctoral thesis, Uppsala universitet, Avdelningen för sjukhusfysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-206385.

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Radiotherapy aims to sterilize cancer cells through ionization induced damages to their DNA whilst trying to reduce dose burdens to healthy tissues. This can be achieved to a certain extent by optimizing the choice of radiation to treat the patient, i.e. the types of particles and their energy based on their specific interaction patterns. In particular, the formation of complex clusters of energy deposits (EDs) increases with the linear energy transferred for a given particle. These differences cause variation in the relative biological effectiveness (RBE). The complexity of ED clusters might

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Bernardo, Alexandre. "Features for the Classification and Clustering of Music in Symbolic Format." Master's thesis, Department of Informatics, University of Lisbon, 2008. http://hdl.handle.net/10451/13947.

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Music Information Retrieval is, nowadays, a highly active branch of research and development in the computer science field, and focuses several topics, including music genre classification. The work presented in this paper focus on Track and Genre Classification of music stored using MIDI format, To address the problem of MIDI track classification, we extract a set of descriptors that are used to train a classifier implemented by a Neural Network, based on the pitch levels and durations that describe each track. Tracks are classified into four classes: Melody, Harmony, Bass and Drums. In order

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Sidebo, Edvin. "Charged particle distributions and robustness of the neural network pixel clustering in ATLAS." Licentiate thesis, KTH, Partikel- och astropartikelfysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190858.

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This thesis contains a study of the robustness of the artificial neural network used in the ATLAS track reconstruction algorithm as a tool to recover tracks in dense environments. Different variations, motivated by potential discrepancies between data and simulation, are performed to the neural network’s input while monitoring the corresponding change in the output. Within reasonable variation magnitudes, the neural networks prove to be robust to most variations. In addition, a measurement of charged particle distributions is summarised. This is one of the first such measurements carried out f

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Villegas, Navarro Fernanda. "Micro/nanometric Scale Study of Energy Deposition and its Impact on the Biological Response for Ionizing Radiation : Brachytherapy radionuclides, proton and carbon ion beams." Doctoral thesis, Uppsala universitet, Medicinsk strålningsvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-279385.

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Research in radiotherapy for cancer treatment focuses on finding methods that can improve the compromise between tumour cell inactivation versus damage to the surrounding healthy tissue. As new radiation modalities such as proton therapy become accessible for everyday clinical practice, a better understanding of the variation in biological response of the tumour and healthy tissues would improve treatment planning to achieve optimal outcome. The development of radiobiological models capable of accurate predictions of biological effectiveness is needed. Existing radiation quality descriptors su

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Mauss, Benoit. "Réactions élastiques et inélastiques résonantes pour la caractérisation expérimentale de la cible active ACTAR TPC." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMC226/document.

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ACTAR TPC (ACtive TARget and Time Projection Chamber) est une cible active de nouvelle génération construite au GANIL (Grand Accélérateur d'Ions Lourds). Les cibles actives sont des cibles gazeuses où le gaz permet de détecter le passage de particules chargées selon le principe des chambres à projection temporelle (TPC). La TPC d'ACTAR est formée d'une anode segmentée de 16384 pixels carrés de 2 mm de côté. La haute densité de voies est gérée par le système électronique GET (General Electronics for TPCs). Ce système digitalise également les signaux sur un intervalle de temps donné, pour une re

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Teboul, Bruno. "Le développement du neuromarketing aux Etats-Unis et en France. Acteurs-réseaux, traces et controverses." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLED036/document.

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Notre travail de recherche explore de manière comparée le développement du neuromarketing aux Etats-Unis et en France. Nous commençons par analyser la littérature sur le neuromarketing. Nous utilisons comme cadre théorique et méthodologique l’Actor Network Theory (ANT) ou Théorie de l’Acteur-Réseau (dans le sillage des travaux de Bruno Latour et Michel Callon). Nous montrons ainsi comment des actants « humains et non-humains »: acteurs-réseaux, traces (publications) et controverses forment les piliers d’une nouvelle discipline telle que le neuromarketing. Notre approche hybride « qualitative-q

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Hamdi, Marwa. "Modélisation des processus utilisateurs à partir des traces d’exécution, application aux systèmes d’information faiblement structurés." Electronic Thesis or Diss., La Rochelle, 2022. http://www.theses.fr/2022LAROS036.

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Ce travail porte sur l’analyse des parcours utilisateurs dans les bibliothèques numériques qui se caractérisent par des processus métier faiblement structurés. Nous allons avoir recours à la fouille de processus afin d’extraire les modèles à partir de ces parcours. Les modèles découverts permettront aux concepteurs de ces systèmes de répondre d’une manière plus efficace aux besoins des utilisateurs et à leurs présenter un ensemble de recommandations. Dans cette thèse, nous avons généré des modèles à partir des traces de navigation des utilisateurs du portail web de la bibliothèque nationale de

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TORTI, FRANCESCA. "Advances in the forward search: methodological and applied contributions." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2010. http://hdl.handle.net/10281/7791.

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The thesis is about the Forward Search, an approach to robust data analysis proposed and developed in the last 15 years mainly by Atkinson, Riani and Cerioli. It is a general method for detecting unidentified subsets and masked outliers in complex data and for determining their effect on models fitted to the data. This thesis approaches the Forward Search in the regression context under different perspectives, motivated by issues encountered in concrete application contexts related to the analysis of international trade data. The main contributions of the thesis can be summarised as

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Калініченко, А. О. "Зовнішня торгівля послугами як чинник активізації економічного розвитку Одеського регіону". Thesis, Одеський національний економічний університет, 2021. http://local.lib/diploma/Kalinichenko.pdf.

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Доступ до роботи тільки на території бібліотеки ОНЕУ, для переходу натисніть на посилання нижче<br>У роботі розглядаються теоретичні аспекти особливостей зовнішньої торгівлі послугами регіону і їх значення для регіону і країни в цілому, визначено вплив позитивних і негативних чинників на економіку і зовнішню торгівлю послугами регіону та розглянуто методи аналізу регіональної зовнішньої торгівлі послугами, також визначено її вплив на регіональний економічний розвиток. Проаналізовано зовнішньоекономічну торгівлю послугами Одеського регіону, наведено SWOT - аналіз впливу чинників, що сприяють т

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Zambrano, Martínez Jorge Luis. "Efficient Traffic Management in Urban Environments." Doctoral thesis, Universitat Politècnica de València, 2019. http://hdl.handle.net/10251/129865.

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[ES] En la actualidad, uno de los principales desafíos a los que se enfrentan las grandes áreas metropolitanas es la congestión provocada por el tráfico, la cual se ha convertido en un problema importante al que se enfrentan las autoridades de cada ciudad. Para abordar este problema es necesario implementar una solución eficiente para controlar el tráfico que genere beneficios para los ciudadanos, como reducir los tiempos de viaje de los vehículos y, en consecuencia, el consumo de combustible, el ruido, y la contaminación ambiental. De hecho, al analizar adecuadamente la demanda de tráfico, es

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Chu, Ching-Feng, and 朱慶峯. "Clustering Malware via Measuring Similarity of Instruction Trace." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/59376726252762726733.

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碩士<br>國立交通大學<br>資訊科學與工程研究所<br>100<br>Although a large number of malicious programs are created every day, most of them mutate from existing ones. These mutant malware programs may seemingly appear differently, but actually act with similar behavior patterns. By clustering these malware programs into the same cluster, the malware analysis effort can be reduced significantly. In this paper, we propose a clustering approach to malware classification by comparing instruction trace similarity of binary programs being tested. We take advantage of dynamic analysis to trace malware instructions at run

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Huang, Kuan-Wei, and 黃冠維. "Study on Edge Trace Preservation and Clustering of Computerized Embroidery." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/9959eh.

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碩士<br>國立勤益科技大學<br>電子工程系<br>105<br>Nowadays many pictures can be produced on the cloth by a sewing machine. However, there are some drawback must be solved, like too many colors. In addition, color down of the original pictures to a few colors will appear some fragmented objects. Therefore, this research proposes a Color reduction and eliminate bitty pixels (CREBP) algorithm. There are two parts in this algorithm: The first part is: when the picture is used by the image clustering, we exclude the edge and then let the edge recolored. The second part is: find out the fragmented objects and let

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Teng, Wan-Fei, and 鄧婉妃. "Price Clustering and Trade-Size Clustering in Taiwan Stock Market." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/85751270282616416342.

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碩士<br>國立暨南國際大學<br>財務金融學系<br>97<br>By using intraday trading data in Taiwan Stock Market, we first examine whether there exists price clustering and trade-size clustering. Second, to study whether there also exist price clustering or trade-size clustering across different investors, all investors are decomposed into five categories, named foreign investors, mutual funds, dealers, other institutions and individuals. Finally, we further investigate the determinants of price clustering and trade-size clustering. In our research, we first find there exists price clustering and trade-size clustering

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Hung, Yi-Chen, and 洪怡君. "Price Clustering, Trade-size Clustering and Performance on the Taiwan Stock Exchange." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/31222371300573058876.

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碩士<br>國立暨南國際大學<br>財務金融學系<br>104<br>We first examine relations between investor types and order price clustering. Second, we analyze relations between investor types and order size clustering. Next, we investigate the determinants of round price and round size. Finally, we study relations between order price and size clustering across investor types and trading performance. We find there exists price clustering and size clustering phenomenon on the Taiwan Stock Exchange. All investor types exist order price and size clustering phenomenon. Particularly, mutual funds are the highest. Firms with s

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Mon, Shu-Fan, and 蒙恕凡. "Use Clustering Method To Analysis Typhoons Track Forecasting." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/58792323292484942129.

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碩士<br>國防大學理工學院<br>資訊科學碩士班<br>99<br>Since Taiwan is located in the tropical and subtropical zones, several typhoons could be generated in every single year. In this special geographical location, it is with high probability that these typhoons attack Taiwan. The TCWB (Taiwan Central Weather Bureau) classified the history typhoons that attacked Taiwan into nine classes. In this study, we take advantage of various data mining techniques to create a real-time typhoon trajectory forecasting model, Clustering-based Trajectory Prediction Algorithm (abbreviated to CTPA). CTPA uses Expectation-Maximum

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Zhang, Zhihan. "Selected results from clustering and analyzing stock market trade data." 2018. http://hdl.handle.net/2097/39297.

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Master of Science<br>Department of Statistics<br>Michael Higgins<br>The amount of data generated from stock market trading is massive. For example, roughly 10 million trades are performed each day on the NASDAQ stock exchange. A significant proportion of these trades are made by high-frequency traders. These entities make on the order of thousands or more trades a day. However, the stock-market factors that drive the decisions of high-frequency traders are poorly understood. Recently, hybridized threshold clustering (HTC) has been proposed as a way of clustering large-to-massive datasets. In t

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單柏瑞. "The Study of Trade Size Clustering by Index Futures of TAIFEX." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ut3245.

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碩士<br>國立彰化師範大學<br>財務金融技術學系<br>106<br>The study is to test whether there is significant trade size clustering in Taiwan Futures Market, and to analyze the correlations between trade size clustering and it’s determinates by Futures intraday data. The study finds that there is a significant trade size clustering in Taiwan Index Futures and Mini-Taiwan Index Futures. However, volume of Electronic Index Futures only clusters around multiple of 10, furthermore, Financial Index Futures and Dow Jones Industrial Average Futures show nonsignificant in trade size clustering. There are three findings in t

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Lin, Ting-Han, and 林庭漢. "Price and Trade-size Clustering and its relationship ─ Evidence from Taiwan Futures Contracts." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/5mrgc3.

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碩士<br>國立臺灣科技大學<br>財務金融研究所<br>104<br>According to the past researches, we found that the phenomenon of price clustering and the trade-size clustering exist in the financial market. People usually react intuitionally when they are required to make decisions immediately or under an uncertain circumstance. In addition, the differences of people’s cognitive ability toward numbers will affect their intuitive reactions? For instance, many trader will select the integer numbers such as 0 or 5 in an irrational condition when they find the price and trading volume of futures change continuously. We mai

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Cunha, Mariana da Cruz. "Privacy-Preserving Mechanisms for Location Traces." Master's thesis, 2019. http://hdl.handle.net/10316/87304.

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Dissertação de Mestrado em Engenharia Informática apresentada à Faculdade de Ciências e Tecnologia<br>Location-Based Services are increasingly present in our daily lives. However, regardless of the benefits that these services offer to users, the shared data are not always and only used for the initial purpose. These data can be made public or sold, for example, for commercial purposes. The fact that location data contain information that can reveal the person’s identity, routines and habits, raises serious privacy concerns. In order to respond to this problem, there are privacy-preserving mec

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HSU, YU-CHANG, and 許祐彰. "A Reexamination of Price Clustering and Trade-size Clustering in The Index Futures: Evidences From The E-mini S&P500 Market." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/9j2579.

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碩士<br>國立高雄應用科技大學<br>資訊管理研究所碩士班<br>105<br>The clustering of financial products has always been a hot topic in area of market microstructure. However, most of the research in the past focuses on the study of price clustering, and the research on the study of size clustering is relatively small. But whether it is price clustering or trade-size clustering affects market liquidity and investor transaction costs. Therefore, the price clustering and trade-size clustering of financial products has always been the focus of the area of experts and scholars of financial topic. The study sample is the E-m

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Li, Pei-Shan, and 李佩珊. "Taiwanese export trade forecasting by integrating clustering analysis and metaheuristics based support vector regression." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/12328433897853585315.

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碩士<br>國立臺灣科技大學<br>工業管理系<br>103<br>Since Taiwan is lack of natural resources, exports play an important role in the economy development in Taiwan. Exports have critical influence on the level of economic growth, internal trade, economic stability, employment and the balance of payments. In order to develop a predicting system for export trade value, this study proposes a three-stage forecasting model which integrates wavelet transform, metaheuristics based K-means algorithms and metaheuristics based support vector regression (SVR). For metaheuristics algorithms, this study applies genetic algor

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LIN, CHEN-FANG, and 林辰芳. "Applying Clustering Approach on Equipment Feeding Track for Improving Production Efficiency -A Case Study of Forging Industry." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/vu672x.

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碩士<br>國立臺北科技大學<br>工業工程與管理系<br>107<br>Because of the advent of the globalization, the enterprises are facing a highly competitive era. In response to the different and diverse needs of customers, the production strategies have gradually changed from mass production to low volume high variety production. Nowadays traditional industries still rely on the veteran workers to carry out all the operations on the production line with their experience, but when the industry type is changed into a low volume high variety production, the volume of production is reduced but increase more changeover time,

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Lin, Yuchun, and 林昱均. "Trade-Size and Price Clustering: The Cases of Short Sales and Margin Purchases in the Taiwan Stock Market." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/11984699089241118643.

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碩士<br>國立中正大學<br>財務金融研究所<br>100<br>This paper investigates the existences of the trade-size clustering and the price clustering of short sales, margin purchases, and non-short and non-margin trades at the intraday trading level in the Taiwan Stock Exchange (TWSE). Our empirical results show that investors definitely use round trade sizes in the multiple of 5,000, 10,000 and 50,000 shares, and that the multiple of larger round sizes in larger transactions; however, the frequencies decrease as trade size increases. Additionally, investors use round trade prices in small-size sets. The transaction

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Bernardo, Alexandre Miguel Entradas. "Features for the Classification and Clustering of Music in Symbolic Format." Master's thesis, 2008. http://hdl.handle.net/10451/14010.

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This document describes the work carried out under the discipline of Computing Engineering Project of the Computer Engineering Master, Sciences Faculty of the Lisbon University. Music Information Retrieval is, nowadays, a highly active branch of research and development in the computer science field, and focuses several topics, including music genre classification. The work presented in this paper focus on Track and Genre Classification of music stored using MIDI format, To address the problem of MIDI track classification, we extract a set of descriptors that are used to train a classifier imp

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Henriques, João Gonçalo Cavaco. "Clustering of countries according to their contribution to GDP growth and its subsequent effect on co2 emissions." Master's thesis, 2019. http://hdl.handle.net/10071/21269.

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A study on the EKC curve and the N-shaped relationship between CO2 emissions and GDP per capita with a focus on expenditure components of GDP contributions to GDP growth. The investigation took place for a balanced panel of 46 countries with data from 1971 to 2014. Explanatory variables for trade, investment and government expenditure are included in the form of the openness ratio, investment ratio and government size. Furthermore, clustering of the 46 countries according to the contributions of the components to the GDP growth using the k-means methods was conducted. The clusters were dummied

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Pillay, Devika. "An investigation into clustering/linkages as a strategy to enhance the competitive performance of small, medium and micro furniture manufacturing firms in Kwa-Zulu Natal." Thesis, 2000. http://hdl.handle.net/10321/2092.

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Submitted in full requirement for the Degree Masters in Technology: Marketing, Technikon Natal, 2000.<br>It has been largely accepted that Small, Medium and Micro Enterprises (SMMEs) are principal driving forces in economic development (UN-ECE, 1999; Istomina, 1998; Lalkaka, 1996). However, many small, medium and micro enterprises are constrained by an array of problems such as a lack of access to finance, training services and physical infrastructure. Also, small, medium and micro enterprises are forced to operate in highly competitive environments and transition economies and this limit

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Kirby, Sean. "Interrogating the impact of industrial clustering on firm-level employment growth : a case study of the Durban Automotive Cluster (DAC)." Thesis, 2012. http://hdl.handle.net/10413/9916.

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More than a decade since the democratic transition in 1994, South Africa still grapples with incredibly high levels of unemployment. An underperforming manufacturing sector has hampered economic growth and job creation in a country with a large pool of low and semi-skilled labour. In response to these challenges the South African government has initiated a guiding framework (NIPF) and action plan (IPAP) spearheaded by a sectoral and geographic focus to place the country on a more labour-intensive industrial growth path. Given this context, it is instructive to note that industrial clustering h

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Cotrim, João Miguel Oliveira. "Making sense of the sharing economy: how and why stakeholders grant legitimation." Doctoral thesis, 2021. http://hdl.handle.net/10071/23024.

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The Sharing Economy (SE) has been developing at an impressive pace throughout the globe and emerging as an innovative and hastily growing practice of the economy, which, on the other hand, has been attracting the attention of the scientific community. An increasing number of studies have been brought to light, particularly since 2017, helping to document and analyse how the SE has been unveiling itself and evolving across economic systems. There still is, nevertheless, a scarcity of a well-settled comprehension of the SE. This research addresses this gap by making a valuable contribution in he

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