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Dissertations / Theses on the topic 'Skyline'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Baker, Matthew S. "Skyline." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/46.

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Enclosed herein, in accordance with the requirements of the Department of English, College of Humanities and Sciences, and the VCU Graduate School, Virginia Commonwealth University, Richmond, Virginia, regarding thesis submission, arrangement, and abstraction, is the novel entitled Skyline, in which one Jameson Price, of Fredericksburg, Virginia, aged 19, embarks upon a journey of self-exploration, financial gain, and physical labor, and experiences for the first time (or maybe second) the tumults of love. Upon his enrolment in the Civilian Conservation Corps (CCC) in 1936, he is taken to Ca

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Gozzoli, Gianluca. "Geometric Gamma-skyline: un metodo efficiente per la computazione di skyline su dati aggregati." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5036/.

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Kamnang, Wanko Patrick. "Optimisation des requêtes skyline multidimensionnelles." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0010/document.

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Dans le cadre de la sélection de meilleurs éléments au sein d’une base de données multidimensionnelle, plusieurs types de requêtes ont été définies. L’opérateur skyline présente l’avantage de ne pas nécessiter la définition d’une fonction de score permettant de classer lesdits éléments. Cependant, la propriété de monotonie que cet opérateur ne présente pas, rend non seulement (i) difficile l’optimisation de ses requêtes dans un contexte multidimensionnel, mais aussi (ii) presque imprévisible la taille du résultat des requêtes. Ce travail se propose, dans un premier temps, d’aborder la question

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Fu, Gregory Chung Yin. "Skyline queries in database systems /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?COMP%202003%20FU.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 51-52). Also available in electronic version. Access restricted to campus users.

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Gudala, Satyaveer Goud. "Skyline queries for multi-criteria decision support systems." Kansas State University, 2011. http://hdl.handle.net/2097/13250.

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Master of Science<br>Department of Computing and Information Sciences<br>William H. Hsu<br>In decision-making applications, the Skyline query is used to find a set of non-dominated data points (called Skyline points) in a multi-dimensional dataset. A data point dominates another data point if it is at least as good as the other data point in all dimensions and better in at least one dimension. The skyline consists of data points not dominated by any other data point. Computing the skyline points of a dataset is essential for applications that involve multi-criteria decision making. Skyline que

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Miller, Nathan D. "Adapting the Skyline Operator in the NetFPGA Platform." Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1369586333.

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Elmi, Saïda. "An Advanced Skyline Approach for Imperfect Data Exploitation and Analysis." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2017. http://www.theses.fr/2017ESMA0011/document.

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Ce travail de thèse porte sur un modèle de requête de préférence, appelée l'opérateur Skyline, pour l'exploitation de données imparfaites. L'imperfection de données peut être modélisée au moyen de la théorie de l'évidence. Ce type de données peut être géré dans des bases de données imparfaites appelées bases de données évidentielles. D'autre part, l'opérateur skyline est un outil puissant pour extraire les objets les plus intéressants dans une base de données.Dans le cadre de cette thèse, nous définissons une nouvelle sémantique de l'opérateur Skyline appropriée aux données imparfaites modélis

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Srivastava, Shweta. "Look Before You Leap: An Adaptive Processing Strategy For Multi-Criteria Decision Support Queries." Digital WPI, 2011. https://digitalcommons.wpi.edu/etd-theses/190.

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In recent years, we have witnessed a massive acquisition of data and increasing need to support multi-criteria decision support (MCDS) queries efficiently. Pareto-optimal also known as skyline queries is a popular class of MCDS queries and has received a lot of attention resulting in a flurry of efficient skyline algorithms. The vast majority of such algorithms focus entirely on the input being a single data set. In this work, we provide an adaptive query evaluation technique --- AdaptiveSky that is able to reason at different levels of abstraction thereby effectively minimizing the two primar

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Samara, Rafat. "TOP-K AND SKYLINE QUERY PROCESSING OVER RELATIONAL DATABASE." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Informationsteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-20108.

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Top-k and Skyline queries are a long study topic in database and information retrieval communities and they are two popular operations for preference retrieval. Top-k query returns a subset of the most relevant answers instead of all answers. Efficient top-k processing retrieves the k objects that have the highest overall score. In this paper, some algorithms that are used as a technique for efficient top-k processing for different scenarios have been represented. A framework based on existing algorithms with considering based cost optimization that works for these scenarios has been presented

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Zhang, Shiming, and 张世明. "Scalable skyline evaluation in multidimensional and partially ordered domains." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46973916.

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Plentz, Samuel. "Skyline-Anfragen für die multidimensionale Suche in einer Aktordatenbank." [Ilmenau] [Univ.-Bibliothek], 2009. http://d-nb.info/995970955/34.

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Miyata, Edwin S. "An investigation of the monocable system for cable yarding of small, low-value trees on steep, difficult sites /." Thesis, Connect to this title online; UW restricted, 1991. http://hdl.handle.net/1773/7061.

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Hughes, Daniel. "Breaking up the traditional skyline : writing modernist Wales in English." Thesis, Bangor University, 2018. https://research.bangor.ac.uk/portal/en/theses/breaking-up-the-traditional-skyline-writing-modernist-wales-in-english(3e242f73-4dec-41cf-9606-b7c4ef1ef925).html.

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Across the work of eleven key authors — Caradoc Evans, Gwyn Thomas, Glyn Jones, Nigel Heseltine, Dylan Thomas, Lynette Roberts, David Jones, Dorothy Edwards, Margiad Evans, Brenda Chamberlain, and Tony Conran — this thesis analyses the output of an Anglophone cultural formation of modernist writers in Wales, whose literature comprise a major — yet neglected — strand of European modernism. The introductory chapter engages with the history of the idea of ‘Modernism’, and the current state of modernist studies within and beyond Wales, arguing that conventional notions of ‘Modernism’ as a fixed, m

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Lampariello, Laura. "Indicatori originali per caratterizzare la rilevanza dei punti dello Skyline." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.

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La quantità sempre crescente di informazioni disponibili è uno dei maggiori problemi dei sistemi informativi di oggi. Oltre a restituire velocemente i risultati dell’interrogazione, è fondamentale fornire un accesso personalizzato e su misura all’utente finale. Poiché gli attuali sistemi in uso (Query Top-k) presentano delle indubbie limitazioni, cioè non riescono fedelmente a interpretare i desideri dell’utente, si introducono per la prima volta dei nuovi indicatori. Questi nuovi indicatori, applicati ai punti estratti, caratterizzano tutti quei casi di “buon compromesso” che sono difficili

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Alami, Karim. "Optimisation des requêtes de préférence skyline dans des contextes dynamiques." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0135.

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Les requêtes de préférence sont des outils intéressants pour calculer des sous-ensembles représentatifs d'ensembles de données en entrée ou pour classer les tuples en fonction des préférences des utilisateurs. Dans cette thèse, nous abordons principalement l'optimisation des requêtes Skyline, une classe spéciale des requêtes de préférence, dans des contextes dynamiques. Dans une première partie, nous abordons la maintenance incrémentale de la structure d'indexation multidimensionnelle NSC qui a été démontrée efficace pour répondre aux requêtes skyline dans un contexte statique. Plus précisémen

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Nastasi, Michele <1980&gt. "Città d'immagini : fotografia e paesaggi in trasformazione: skyline, rendering, icone." Doctoral thesis, Università Ca' Foscari Venezia, 2017. http://hdl.handle.net/10579/12912.

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Le immagini fotografiche giocano oggi un ruolo attivo nei processi di trasformazione delle città in senso iconico e spettacolare. Seguendo la nozione di "artialization" (la natura imita l'arte), i paesaggi delle città contemporanee possono essere interpretati come il risultato di processi correlati alla produzione e alla circolazione di fotografie: ciò avviene sia in termini di creazione di un immaginario, attraverso una serie di modelli che informano la nostra interpretazione dei paesaggi urbani e ne orientano le trasformazioni, sia nei termini di mutamenti fisici e tangibili dell’architettur

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Curtis, Anthony Patrick. "Warriors of the skyline a gendered study of Mohawk warrior culture /." Huntington, WV : [Marshall University Libraries], 2005. http://www.marshall.edu/etd/descript.asp?ref=516.

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Levy, David Alan. "The sacred skyline : the conflict over height restrictions for Copley Square." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/75965.

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Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning; and, (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1985.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH.<br>Bibliography: leaves 131-132.<br>by David Alan Levy.<br>M.C.P.<br>M.S.

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Fuhry, David P. "Skylines in Metric Space." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1208562156.

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Ayadi, Mehdi. "Skyline : un marqueur pour la réalité augmentée sur mobile en contexte urbain." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE2051.

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L’objectif principal de cette thèse consiste à proposer une approche qui permet à un utilisateur se déplaçant en milieu urbain, de visualiser en Réalité Augmentée, à l’aide d’un smartphone, l’incidence d’un projet de construction sur le paysage urbain, une fois le bâtiment réalisé. En particulier, avec le retour actuel des projets de constructions de tours dans les grandes villes (Londres, Paris et Lyon notamment), il devient un enjeu très important pour les usagers des quartiers de pouvoir se rendre compte visuellement de l’impact d’un projet de construction sur la ligne d’horizon (Skyline) e

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Nuske, Samuel Ryan. "A comparative study of mechanized cable harvesting systems in New Zealand." Thesis, University of Canterbury. School of Forestry, 2014. http://hdl.handle.net/10092/10471.

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Productivity and safety concerns of traditional cable harvesting systems have been the key drivers for increasing levels of mechanisation in New Zealand. The use of grapples in cable yarding could eliminate the need for motor-manual tree fallers and breaker-outs in most situations. A comparative time study was carried out on two mechanised cable harvesting systems utilising grapple carriages in an attempt to better understand the benefits and limitations of each system in different harvest settings. These systems include the Mechanical system which involved a swing yarder operating a mechanica

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Yip, Kin-man Ernest, and 葉健文. "Developing a city skyline for Hong Kong using GIS and urban design guidelines." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B27049802.

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Cocoris, Constance. "Marking the skyline and viewing the city : a new building for Birmingham's Five Points South." Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/23908.

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Paß, Mario. "The New Skyline of Berlin : A 3D GIS shadow and visibility analysis at the Alexanderplatz." Thesis, Umeå universitet, Institutionen för geografi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184742.

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The capital of Germany Berlin will undergo a change in its skyline in the next few years.Due to a new housing policy that allows the construction of higher buildings, Berlinwill soon have several skyscrapers over 130 m high directly at Alexanderplatz as wellas next the Berlin landmark, the Berlin TV Tower.With the help of ArcGIS, the newbuildings are shown in 3D along with the impact of these buildings on the view to theTV Tower and the shadows cast by the new buildings on the Alexanderplatz. It is shownthat due to the new buildings, some areas around the Alexanderplatz no longer have acomplet

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Kuan-An, Hsieh, and 謝冠安. "Skyline." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/hr4w86.

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碩士<br>東海大學<br>美術學系<br>107<br>“The skylines of cities” is the guideline of this thesis. The researcher explores the utopian imagination by adding the contradiction of social reality and urban architecture as the motivation and elements. This thesis aims to illustrate the spirit of urban shan shui and identify the metaphorical expressions and meanings of various signs and icons in the researcher’s art work. Chapter One will comprise what the researcher has learned and explicate the researcher’s motivation, purpose and offers the orientation and methods of this thesis. Chapter Two will reveal th

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Hsu, Wan-Ting, and 許菀庭. "Skyline Travel Route: Exploring Skyline for Travel Route Recommendation." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/352q7x.

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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>102<br>With the advance of location positioning technology and some geo-Web services (e.g., EveryTrail), users can easily use mobile Apps to record their travel experiences via photos and trip trajectories. Prior works have elaborated on trip planning in mining travel routes from a huge number of trajectories. However, most of the travel routes mined may have some overlapping Regions-Of-Interest (ROIs) information, which incur some redundant travel information. Moreover, each ROI may have its appropriate visiting time, and users may also have their own preferred m

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Yang, Sheng-Fu, and 楊盛富. "Computing Skyline Efficiently on Uncertain Data According to Skyline Expected Value." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/53443023947322123332.

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碩士<br>國立東華大學<br>資訊工程學系<br>101<br>Because the improvement of technology, the collecting of information is no longer limited to hardware, and many real applications may turn out to be used in uncertain data environments. Therefore, how to compute the needed information in such an environment efficiently is a very important problem. In this work, the idea of expected number of objects is introduced to represent as the scoring function of an object in the uncertain database. And the score associated with each object is called as CP value. By using the concept of CP value, we propose the efficien

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Durston, Thomas A. "Improving the performance of multispan logging systems by suspending the mainline /." 1989. http://hdl.handle.net/1957/9492.

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"Distance-based representative skyline." 2009. http://library.cuhk.edu.hk/record=b5894005.

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Ding, Ling.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2009.<br>Includes bibliographical references (leaves [43]-45).<br>Abstract also in Chinese.<br>Thesis Committee --- p.i<br>Abstract --- p.ii<br>Acknowledgement --- p.iv<br>Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Background --- p.1<br>Chapter 1.2 --- Motivation --- p.3<br>Chapter 1.3 --- Thesis Organization --- p.4<br>Chapter 2 --- Representative Skylines and Basic Properties --- p.6<br>Chapter 2.1 --- Existing Formulation --- p.6<br>Chapter 2.1.1 --- Max-dominance Representative Skyline --- p.6<br>Chapter

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Chung, Woodam. "Optimization of cable logging layout using a heuristic algorithm for network programming /." 2002. http://hdl.handle.net/1957/9487.

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Jain, Romil. "Handling worst case in skyline /." 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:MR51543.

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Thesis (M.Sc.)--York University, 2009. Graduate Programme in Computer Science.<br>Typescript. Includes bibliographical references (leaves 83-84). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:MR51543

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CHIU, SHENG-WEI, and 邱聖崴. "Approximate Patrolling Skyline Path Query." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/32774321458936209218.

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碩士<br>逢甲大學<br>資訊工程學系<br>105<br>In this study, we formulated a novel route planning query referred to as the Patrolling Skyline Path Query. The term patrolling road refers to situations in which vehicles patrol a particular area and follow particular roads/routes according to a set schedule. For example, roads that require snowplow service are referred to as Patrolling roads. However, identifying these roads can be difficult, due to changes in the accumulation of snow over time and the need to take into account distance and time costs as well as issues related to safety. No existing search mech

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Charland, James W. "Analysis of intermediate support cable logging systems." Thesis, 1997. http://hdl.handle.net/1957/28782.

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The forest products industry often uses intermediate-support cable logging systems to transport logs from the harvest site to a staging area. A method is presented to assist in the analysis and design of these cable systems. The method determines tensions in individual cables, forces on and stresses in the support trees, and the geometry of the system under load. Static equilibrium and cable length compatibility are used to generate a system of simultaneous equations. This system of coupled, non-linear algebraic equations is solved numerically using the Newton-Raphson algorithm. A good, automa

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Yuan, Yidong Computer Science &amp Engineering Faculty of Engineering UNSW. "Efficient computation of advanced skyline queries." 2007. http://handle.unsw.edu.au/1959.4/40511.

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Skyline has been proposed as an important operator for many applications, such as multi-criteria decision making, data mining and visualization, and user-preference queries. Due to its importance, skyline and its computation have received considerable attention from database research community recently. All the existing techniques, however, focus on the conventional databases. They are not applicable to online computation environment, such as data stream. In addition, the existing studies consider efficiency of skyline computation only, while the fundamental problem on the semantics of skylin

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林岳嶙. "Efficient Computation of Constrained Group Skyline." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/uzvt77.

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碩士<br>逢甲大學<br>資訊工程學系<br>104<br>In recent years, the skyline query has been an important issue in the database community. Almost all of the traditional skyline algorithms compute the skyline result on a single tuple. However, in many real applications, some of them do not only consider the single tuple result, but also compute the skyline result by grouping tuples, such as advertising, fantasy sports, stock portfolio, and hackathon. This problem is called Group Skyline. The previous group skyline research has concerned combinations quantity and complicated skyline computation. The research has

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Chia-HengChang and 張嘉恒. "Continuous Skyline Queries in Road Networks." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/43915730531332275302.

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碩士<br>國立成功大學<br>資訊工程學系碩博士班<br>98<br>The skyline query is an efficient tool for preference-based data analysis and attracts more attention than ever in the database community. Given a set of d-dimensional objects D, a skyline query retrieves all objects from D, which cannot be dominated by any others in D. In this paper, we investigate how to process the skyline query in road network, where the road distance between objects needs to be considered in query processing. Different from the previous related works, our work focuses on processing the continuous distance-based skyline query. We present

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Lin, Yu-De, and 林育德. "Fully Skyline Computation on Data Streams." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/18696483958878315888.

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碩士<br>銘傳大學<br>資訊工程學系碩士班<br>98<br>In Database field, Skyline concepts and techniques have caught many people''s attention and been widely used in various fields. In this study, we would use it in a very harsh condition, Data Stream, and could accomplish some missions like adding or deleting data over time, and completely avoiding accessing hard disks to achieve instant access, instant response and instant update. To meet the demands of this new area, Fully Skyline Computation on Data Streams, we create three algorithms for it. The experimental results showed that: as expected, the thr

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Shu, Yi-Teng, and 蘇易騰. "A Study on Parallel Skyline Query." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/15360212640147314161.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>100<br>The skyline query is an efficient data analysis tool for multi-criteria decision making that has received significant attention in the database community. With the advent of multi-core processors, we present a new parallel skyline query algorithm PSQ that can be applied to shared memory architectures, to progressively return skyline points as they are identified. The PSQ algorithm sorts the given dataset in descending order for coordinate component separately, and then finds out a terminating point for eliminating redundant computations of skyline query. Exper

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KUO, PAO-SIAN, and 郭寶仙. "Applying Skyline Query to Sensor Network." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/82315821922387167830.

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碩士<br>高苑科技大學<br>資訊科技應用研究所<br>102<br>With the fast advance of positioning techniques, spatio-temporal databases aiming at managing moving objects so as to provide useful information has attracted a lot attention. In real world, there are many applications related to spatio-temporal queries, such as geographic information, traffic monitoring system, and mobile information system. Skyline query is an important type of spatio-temporal queries. In this thesis, we focus on how to apply the skyline query to sensor network environment. Different form the previous research, in the sensor network enviro

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Kuan-YingChiu and 邱冠穎. "Efficient Computation of Multiple Reverse Skyline Queries." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/84303454806804219176.

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碩士<br>國立成功大學<br>資訊工程學系碩博士班<br>98<br>The related issues of skyline query have become more popular in the past few years. Recently, many researchers have focused on the reverse skyline query because it is very useful in many applications, such as environment monitoring and commercial decision. In most applications of reverse skyline query, users consider several query points at the same time. The na?ve method for processing multiple query points is to deal with each query point one by one. Unfortunately, this method incurs significant cost for processing query. In this paper, we propose an effic

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Cho, Kae-Jer, and 卓楷哲. "KSTR: Keyword-aware Skyline Travel Route Recommendation." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/07304812914186011929.

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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>104<br>With the popularity of social media (e.g., Facebook and Flickr), users could easily share their check-in records and photos during their trips. In view of the huge amount of check- in data and photos in social media, we intend to discover travel experiences to facilitate trip planning. Prior works have been elaborated on mining and ranking existing travel routes from check-in data. We observe that when planning a trip, users may have some keywords about preference on his/her trips. Moreover, a diverse set of travel routes is needed. To provide a diverse set

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Chen, Yu-Jie, and 陳裕傑. "Finding k-dominant Skyline with Partition Power." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/nv3mrt.

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碩士<br>國立中興大學<br>資訊科學與工程學系<br>106<br>Skyline queries are widely used in many applications, such as decision analysis systems, multi-criteria decision-making, data mining, and user preferences. However, as the number of dimensions of data increases, the size of skyline query results will also increase dramatically. In addition, not every dimension is important or interesting to the user. Therefore, the skyline query results may contain many undesired data. Past research proposed the concept of k-dominant skyline to solve this problem and to reduce the size of skyline query results by relaxing th

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Womack, Kevin C. "The dynamic behavior of a cable logging skyline and its effects on the tailspar /." 1989. http://hdl.handle.net/1957/9879.

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"Efficient Processing of Skyline Queries on Static Data Sources, Data Streams and Incomplete Datasets." Doctoral diss., 2014. http://hdl.handle.net/2286/R.I.27470.

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abstract: Skyline queries extract interesting points that are non-dominated and help paint the bigger picture of the data in question. They are valuable in many multi-criteria decision applications and are becoming a staple of decision support systems. An assumption commonly made by many skyline algorithms is that a skyline query is applied to a single static data source or data stream. Unfortunately, this assumption does not hold in many applications in which a skyline query may involve attributes belonging to multiple data sources and requires a join operation to be performed before the sky

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Rost, Steffen Thomas [Verfasser]. "Skyline query processing / vorgelegt von Steffen Thomas Rost." 2006. http://d-nb.info/981939821/34.

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Chang, Yu-Tu, and 張玉圖. "An Efficient Skyline Query Algorithm for Path Group." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/j4qngb.

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碩士<br>逢甲大學<br>資訊工程學系<br>104<br>In recent years the skyline path query has been used very effectively in many business areas like logistics and transportation. A path group consists of a set of paths which cover all user interesting nodes. It’s useful for planning logistic routes or individual case visiting paths for social workers . Given a starting node s, a set of k interesting nodes and the cardinality of path group c, the skyline path group query retrieves a set of non-dominated path groups from a road network, where each edge has multi-dimension costs. Each path group includes all interes

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Lin, Yi-Ying, and 林依潁. "Efficient Skyline Query Processing in Distributed Sensor Networks." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/68915284346263561968.

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碩士<br>國立成功大學<br>資訊工程學系碩博士班<br>96<br>In recent years, the skyline operator has received considerable attention in the database research community. This is mainly due to the importance of various skyline results in applications involving multi-criteria decision making. On recently, skyline queries are considered in distributed computing environments (e.g., P2P networks, mobile ad hoc networks, and sensor networks). In this paper, we exploit the problem of skyline query processing in sensor networks. Many previous studies investigated efficient approaches to answer skyline queries in a centralize

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Jin-Li, Lee, and 李俊利. "A Quantitative study of Skyline in Urban Design." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/71769640079564407142.

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Lin, Hsiou-Hao, and 林修豪. "Updating Skyline Efficiently by Using Z-order Mechanism." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/00402942888181154651.

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碩士<br>國立東華大學<br>資訊工程學系<br>101<br>Skyline query is often adopted by user in the preference query. Generally, the data changes with time. Because partial data was updated with time, we need to maintain the correct skyline. Two simple ways to cope with the data updated situation are deleting the updated data first and then inserting the object as a new one or inserting the updated object first and then deleting the old one. However data deletion breaks the dominance relationship, and generates a lot of temporary skyline points. Moreover, if data updated is treated as data deletion/insertion, we n

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kuan-chieh, Huang, and 黃冠捷. "A study for multiple constrained skyline queries processing." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/66953880343640440938.

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碩士<br>長榮大學<br>資訊管理學系(所)<br>102<br>In this paper, we propose a constrained skyline query processing algorithms. This algorithm is named GCSQP. Compare with preview methods, GCSQP will merge and process them afterward . The advantage is that after the merger operation, GCSQP can save a lot of time to perform dominance test operation, thereby accelerating query processing efficiently. In this paper, we propose a GCSQP design concept, explain the details of the algorithm, and perform multiple experiments to prove that GCSQP can indeed accelerate query processing efficiently on constrained skyli

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