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Tesi sul tema "Spatial database"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Shou, Yutao Sindy, and 壽玉濤. "Efficient query processing for spatial and temporal databases." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29853655.

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2

Pfeifle, Martin. "Spatial Database Support for Virtual Engineering." Diss., lmu, 2004. http://nbn-resolving.de/urn:nbn:de:bvb:19-27018.

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3

Yeung, Tony. "Storing Protein Structure in Spatial Database." Digital Archive @ GSU, 2005. http://digitalarchive.gsu.edu/cs_theses/8.

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Abstract (sommario):

In recent years, the field of bioinformatics has exploded in a scale that is unprecedented. The amount of data generated from different genome projects demands a new and efficient way of information storage and retrieval. The analysis and management of the protein structure information has become one of the main focuses. It is well-known that a protein’s functions differ depending on its structure’s position in 3-dimensional space. Due to the fact that protein structures are exceedingly large, complex, and multi-dimensional, there is a need for a data model that can fulfill the requirements of

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4

Eriksson, Ludvig. "Using IndexedDB with a spatial database." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-148355.

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Web technologies are becoming increasingly useful with new features and the gap to native apps is narrowing. Recently, IndexedDB was added to the web standard to provide large scale storage solutions directly in the browser. Is it performant enough to be used with a spatial database? In this study, such a system is developed for Foran Sverige AB and we learn that IndexedDB indeed can be used for this purpose. Even storage demanding geospatial applications can be developed as a multi- platform system with a single codebase, all while broadening the possible audience reach by avoiding an app ins

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5

Prasher, Sham. "Query processing in multiresolution spatial databases /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18682.pdf.

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6

Tao, Yufei. "Indexing and query processing of spatio-temporal data /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?COMP%202002%20TAO.

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Abstract (sommario):

Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 208-215). Also available in electronic version. Access restricted to campus users.

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7

Ingemarsson, Gabriel. "Database Performance for GIS : A Comparison of Database Schemas for Measurements with Spatial Attributes." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-255022.

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Abstract (sommario):

Spatial databases are becoming more and more important. One type of spatial database is a database of measurements, which combine positions with alphanumerical attributes. While these databases are important, little research has been done on them. There is therefore need for research on how to store this type of data most effectively.In this thesis a read performance benchmark and an execution plan analysis of three different database schemas using two different datasets of different size are presented. The three schemas investigated are the existing schema of the dataset, a schema where the s

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8

Liu, Qing Computer Science &amp Engineering Faculty of Engineering UNSW. "Summarization of very large spatial dataset." Awarded by:University of New South Wales. School of Computer Science and Engineering, 2006. http://handle.unsw.edu.au/1959.4/25489.

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Abstract (sommario):

Nowadays there are a large number of applications, such as digital library information retrieval, business data analysis, CAD/CAM, multimedia applications with images and sound, real-time process control and scientific computation, with data sets about gigabytes, terabytes or even petabytes. Because data distributions are too large to be stored accurately, maintaining compact and accurate summarized information about underlying data is of crucial important. The summarizing problem for Level 1 (disjoint and non-disjoint) topological relationship has been well studied for the past few years. Ho

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9

Brabec, František. "Optimizing client-server communication for remote spatial database access." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/3087.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Computer Science. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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10

Valdivia, Martinez Angélica. "Implementing of G.I.S. spatial operations in a database system." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0007/MQ44308.pdf.

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11

Valdivia, Martínez Angélica. "Implementing of G.I.S. spatial operations in a database system." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=20887.

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This thesis presents a set of basic spatial operations implemented in a relational programming language. Our aim in undertaking this work was to demonstrate that a general purpose database system offers the needed flexibility for developing independent applications to manipulate spatial data. Thus, we exploited an existing Relix system by using both relational algebra functions and a relational database model.<br>Effectiveness, rather than high performance, is the central issue in this work. Of the two aspects (spatial and descriptive) of geographical data, we address only the spatial componen

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12

Wu, Xiaoying. "Managing Schema Evolution in a federated spatial database system." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/100.

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In a FSDBS environment, database schemas are subject to changes and the management of these changes is complex and inefficient. In this research, an Automatic Schema Evolution (ASE) Framework has been developed in order to overcome the limitation of manual modifications of applications. The main components of ASE include: Schema Element Dependency (SED), Schema Mapping, Metadata Repository and Query/View Rewriting. Combined together, they enable the management of schema evolution in a FSDBS in an automatic and transparent manner.

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13

Dai, Jing. "Efficient Concurrent Operations in Spatial Databases." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/28987.

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Abstract (sommario):

As demanded by applications such as GIS, CAD, ecology analysis, and space research, efficient spatial data access methods have attracted much research. Especially, moving object management and continuous spatial queries are becoming highlighted in the spatial database area. However, most of the existing spatial query processing approaches were designed for single-user environments, which may not ensure correctness and data consistency in multiple-user environments. This research focuses on designing efficient concurrent operations on spatial datasets. Current multidimensional data access meth

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14

Yiu, Man-lung. "Advanced query processing on spatial networks." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36279365.

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15

Yiu, Man-lung, and 姚文龍. "Advanced query processing on spatial networks." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B36279365.

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16

Nebiker, Stephan. "Spatial raster data management for geo-information systems : a database perspective /." Zürich, 1997. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=12374.

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17

Xu, Kai. "Database support for multi-resolution terrain models /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17869.pdf.

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18

Ellul, Claire Denise. "Querying topology in a 3D spatial database - functional requirements and performance optimisation." Thesis, University College London (University of London), 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500047.

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19

Davis, Raymond. "The spatial assessment of environmental engineering systems using database generated design algorithms." Thesis, Queen's University Belfast, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356878.

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20

Lim, Heechul. "Evaluation of Shortest Path Query Algorithm in Spatial Databases." Thesis, University of Waterloo, 2003. http://hdl.handle.net/10012/1085.

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Abstract (sommario):

Many variations of algorithms for finding the shortest path in a large graph have been introduced recently due to the needs of applications like the Geographic Information System (GIS) or Intelligent Transportation System (ITS). The primary subjects of those algorithms are materialization and hierarchical path views. Some studies focus on the materialization and sacrifice the pre-computational costs and storage costs for faster computation of a query. Other studies focus on the shortest-path algorithm, which has less pre-computation and storage but takes more time to compute the shortes

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21

Polách, Ondřej. "Prostorové rozšíření objektové databáze." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236607.

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Still increasing requirements are made on database systems, because users need to work with still more complex data. Because of the historical development of database systems, post-relational database systems are mainly used today. As follows from their name, post-relational database systems are built on relational database systems and expand them so that they are able to work with complex data. The vast majority of today's spatial database systems is based on post-relational databases. However, this work is trying to find a connection between object and spatial databases. The obtained knowled

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22

Faisal, Behadili Suhad. "Adaptative modeling of urban dynamics with mobile phone database." Thesis, Le Havre, 2016. http://www.theses.fr/2016LEHA0017/document.

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Dans cette étude, on s’intéresse à l’étude de la mobilité urbaine à partir de traces de données de téléphonie mobile qui ont été fournies par l’opérateur Orange. Les données fournies concernent la région de la ville de Rouen, durant un événement éphémère qui est l’Armada de 2008. Dans une première étude, on gère une masse importante de données pour extraire des caractéristiques permettant de qualifier des usages de la ville lors d’évènements éphémères, en fonctions des jours d’activités ou de repos des individus. Des visualisations sont données et permettent de comprendre les mobilités engendr

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23

Gunadasa, Ankumbure Dewayalage. "Spatial database integration, a GIS approach, a case study from Colombo, Sri Lanka." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0022/NQ39534.pdf.

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24

Terry, Ina M. "The Ohio Pleistocene Mammal Database (OPMDB): Creation and Preliminary Taphonomic and Spatial Analyses." Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1377456136.

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25

Zhang, Chengyang. "Toward a Data-Type-Based Real Time Geospatial Data Stream Management System." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc68070/.

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Abstract (sommario):

The advent of sensory and communication technologies enables the generation and consumption of large volumes of streaming data. Many of these data streams are geo-referenced. Existing spatio-temporal databases and data stream management systems are not capable of handling real time queries on spatial extents. In this thesis, we investigated several fundamental research issues toward building a data-type-based real time geospatial data stream management system. The thesis makes contributions in the following areas: geo-stream data models, aggregation, window-based nearest neighbor operators, an

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26

Szkandera, Jan. "TSQL2 interpret nad post-relačními databázemi v Oracle Database." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-236923.

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This thesis focuses on temporal databases and their multimedia and spatial extensions. The introduction of this work summarizes results in the area of research of temporal databases - key concepts of a TSQL2 language and post-relational extension of Oracle database are introduced. Main part of the thesis is design of an interpreter as a layer between user application and relational database. In the next part of the thesis control of integrity constraints in temporal databases are discussed. Result of this work is functional interpreter of TSQL2 language able to store post-relational data.

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27

Kanani, Saleh. "A method to evaluate database management systems for Big Data : focus on spatial data." Thesis, Luleå tekniska universitet, Datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-74172.

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Big data of type spatial is growing exponentially with the highest rate due to extensive growth in usage of sensors, IoT and mobile devices’ spatial data generation, therefore maintaining, processing and using such data efficiently, effectively with high performance has become one of the top priorities for Database management system providers, hence spatial database features and datatypes have become serious criteria in evaluating database management systems that are supposed to work as the back-end for spatial applications and services. With exponential growth of data and introducing of new t

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28

Bogorny, Vania. "Enhancing spatial association rule mining in geographic databases." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/7841.

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A técnica de mineração de regras de associação surgiu com o objetivo de encontrar conhecimento novo, útil e previamente desconhecido em bancos de dados transacionais, e uma grande quantidade de algoritmos de mineração de regras de associação tem sido proposta na última década. O maior e mais bem conhecido problema destes algoritmos é a geração de grandes quantidades de conjuntos freqüentes e regras de associação. Em bancos de dados geográficos o problema de mineração de regras de associação espacial aumenta significativamente. Além da grande quantidade de regras e padrões gerados a maioria são

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29

Hedefalk, Finn. "Robustness of Spatial Databases: Using Network Analysis on GIS Data Models." Thesis, University of Gävle, Department of Technology and Built Environment, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-6625.

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<p>Demands on the quality and reliability of Volunteered Geographic Information have increased because of its rising popularity. Due to the less controlled data entry, there is a risk that people provide false or inaccurate information to the database. One factor that affects the effect of such updates is the network structure of the database schema, which might reveal the database’s robustness against different kinds of false updates. Therefore, network analyses are needed. The aim is to analyse GIS data models, stored in UML class diagrams, for scale-free and small-world properties. Moreover

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30

Tonner, Tobias W. W. "A spatial database for the Later Stone Age site 'Dunefield Midden', (Western Cape, South Africa)." Master's thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/4183.

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31

Zhang, Jingxiong. "A surface-based approach to the handling of uncertainties in an urban-orientated spatial database." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/21629.

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The work presented in this thesis is built on three assertions: (1) uncertainties should be perceived as integral components of GIS spatial databases; (2) as such and given the importance of uncertainties at all stages of processing spatial data by digital methods, an integrating strategy is needed to provide more direct access to the uncertainties of spatial data during data collection, update, spatial analysis and during the creation of output products; (3) surface-based models and methods are capable of such an integral strategy, by which many kinds of uncertainties of spatial data can be w

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32

Dickinson, Matthew G. Musser Dale Roy. "Architecting the spatial enablement of a film location database for enhanced geographic analysis and query." Diss., Columbia, Mo. : University of Missouri-Columbia, 2009. http://hdl.handle.net/10355/6729.

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Abstract (sommario):

The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on March 19, 2010). Thesis advisor: Dr. Dale R. Musser. Includes bibliographical references.

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33

Toups, Matthew A. "A study of three paradigms for storing geospatial data: distributed-cloud model, relational database, and indexed flat file." ScholarWorks@UNO, 2016. http://scholarworks.uno.edu/td/2196.

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Abstract (sommario):

Geographic Information Systems (GIS) and related applications of geospatial data were once a small software niche; today nearly all Internet and mobile users utilize some sort of mapping or location-aware software. This widespread use reaches beyond mere consumption of geodata; projects like OpenStreetMap (OSM) represent a new source of geodata production, sometimes dubbed “Volunteered Geographic Information.” The volume of geodata produced and the user demand for geodata will surely continue to grow, so the storage and query techniques for geospatial data must evolve accordingly. This thesis

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34

Dvořáček, Ondřej. "Dotazování nad časoprostorovými daty pohybujících se objektů." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2009. http://www.nusl.cz/ntk/nusl-236692.

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This master's thesis is devoted to the studies of possibilities, which can be used for representation of moving objects data and for querying such spatio-temporal data. It also shows results of the master's thesis created by Ing. Jaroslav Vališ, that should be used for the solution of this master's thesis. But based on the theoretical grounds defined at the beginning of this work was designed and implemented new database extension for saving and querying spatio-temporal data. Special usage of this extension is demonstrated in an example application. This application uses the database extension

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35

ARCO, EMERE. "Geomatics for Mobility Management. A comprehensive database model for Mobility Management." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2711582.

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In urban and metropolitan context, Traffic Operations Centres (TOCs) use technologies as Geographic Information Systems (GIS) and Intelligent Transport Systems (ITS) to tackling urban mobility issue. Usually in TOCs, various isolated systems are maintained in parallel (stored in different databases), and data comes from different sources: a challenge in transport management is to transfer disparate data into a unified data management system that preserves access to legacy data, allowing multi-thematic analysis. This need of integration between systems is important for a wise policy decisions.

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36

Gunay, Serkan. "Spatial Information System For Conservation Ofhistoric Buildings Case Study: Doganlar Church Izmir." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608388/index.pdf.

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Conservation of historic buildings requires comprehensive and correct information of buildings to be analyzed in conservation decision making process in a systematic and rational approach. Geographical Information Systems (GIS) are advantageous in such cases which can be defined as computer based systems for handling geographical and spatial data. GIS have the potential to support the conservation decision making process with their storing, analyzing and monitoring capabilities. Therefore, information systems like GIS can be seen as a potential significant instrument for dealing with the conse

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Bidoshi, Kosta. "A database system as a tool for comparing, updating, and conflating spatial data from DLG and GPSVan." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1399557538.

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Stock, Kristin Mary. "A new method for representing and translating the semantics of hetrogenous spatial databases." Thesis, Queensland University of Technology, 2000.

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39

Mastros, James Lee. "Measuring Community Consensus in Facial Characterization Using Spatial Databases and Fuzzy Logic." VCU Scholars Compass, 2005. http://scholarscompass.vcu.edu/etd/683.

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Spatial databases store geometric objects and capture spatial relationships that can be used to represent key features of the human face. One can search spatial databases for these objects, and seek the relationships between them, using fuzzy logic to provide a natural way to describe the human face for the purposes of facial characterization. This study focuses on community perception of short, average, or long nose length. Three algorithms were used to update community opinion of nose length. All three methods showed similar trends in nose length classification which could indicate that the

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ívarsson, Óli. "Improved Combat Tactics of AI Agents in Real-Time Strategy Games Using Qualitative Spatial Reasoning." Thesis, University of Skövde, School of Humanities and Informatics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-956.

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<p>Real-time strategy (RTS) games constitute one of the largest game genres today and have done so for the past decade. A central feature of real-time strategy games is opponent AI which is suggestively the “last frontier” of game development because the focus of research has primarily been on other components, graphics in particular. This has led to AI research being largely ignored within the commercial game industry but several methods have recently been suggested for improving the strategic ability of AI agents in real-time strategy games.</p><p>The aim of this project is to evaluate how a

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Wiseman, Alec. "GRT: Global R-Trees." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1372420134.

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Pesti, Peter. "Novel spatial query processing techniques for scaling location based services." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45844.

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Location based services (LBS) are gaining widespread user acceptance and increased daily usage. GPS based mobile navigation systems (Garmin), location-related social network updates and "check-ins" (Facebook), location-based games (Nokia), friend queries (Foursquare) and ads (Google) are some of the popular LBSs available to mobile users today. Despite these successes, current user services fall short of a vision where mobile users could ask for continuous location-based services with always-up-to-date information around them, such as the list of friends or favorite restaurants within 15 minut

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43

Baybas, Gizem. "Spatial Decision Support System For Archaeological Application: A Case Study For Kaunos Archaeological Site." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615648/index.pdf.

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Geographically located materials are used by the archaeology to analyze and explain the socio-cultural aspects of ancient life. Thus, Geographical Information Systems (GIS) have started to be used in archaeology for many applications. Although, cooperation of GIS and archaeology is considered as beneficial, it has become insufficient to meet the requirements of archaeologists about excavation study. Therefore, the aim of this thesis is to develop Spatial Decision Support System (SDSS) which includes both the GIS tools and analyses and<br>analytical modeling capabilities in order to satisfy the

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Pandey, Varun [Verfasser], Alfons [Akademischer Betreuer] Kemper, Alfons [Gutachter] Kemper, Florian [Gutachter] Matthes, and Mohamed Sarwat Abdelghany Aly [Gutachter] Elsayed. "Advancing Spatial Analytical Database Systems / Varun Pandey ; Gutachter: Alfons Kemper, Florian Matthes, Mohamed Sarwat Abdelghany Aly Elsayed ; Betreuer: Alfons Kemper." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1239812469/34.

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45

Sebake, Malete Daniel. "Assessing the motivators and barriers of interorganizational GIS data sharing for address data in South Africa." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/24514.

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Address data within geographic information systems (GIS) is used as reference data to link personal and administrative information, thus making it possible to locate and deliver goods and services to eligible persons. Preferably, every country must develop and maintain a single national address database (NAD) to eliminate data redundancy and provide a common point of reference across the board. In South Africa, the challenge is that there are separate address databases, which are developed and maintained by various public and private organizations – with little or no cooperation on data sharin

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Mangiameli, Michele. "Navigation systems for autonomous robots based on open source gis technologies." Doctoral thesis, Università di Catania, 2013. http://hdl.handle.net/10761/1302.

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Man has always dreamed of building artificial beings, which take over tedious or dangerous tasks, with abilities of entertainment and subject to human commands. In everyday language, these artificial beings are called robots . Robots are characterized for the capability to act in the environment using a mechanical locomotion system and to interact with the objects present in the environment using a handling system , or a perceptive capacity to measure parameters relating to their internal state using proprioceptive sensors, and to measure external parameters, using exteroceptive sensors, and

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Ganpaa, Gayatri. "An R*-Tree Based Semi-Dynamic Clustering Method for the Efficient Processing of Spatial Join in a Shared-Nothing Parallel Database System." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/298.

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The growing importance of geospatial databases has made it essential to perform complex spatial queries efficiently. To achieve acceptable performance levels, database systems have been increasingly required to make use of parallelism. The spatial join is a computationally expensive operator. Efficient implementation of the join operator is, thus, desirable. The work presented in this document attempts to improve the performance of spatial join queries by distributing the data set across several nodes of a cluster and executing queries across these nodes in parallel. This document dis

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Sun, Jimeng. "Analysis of predictive spatio-temporal queries /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?COMP%202003%20SUN.

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Abstract (sommario):

Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 62-65). Also available in electronic version. Access restricted to campus users.

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49

Večerek, Petr. "Vliv finanční krize na hodnoty finančních ukazatelů evropských společností." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-114169.

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Content of this thesis is displaying impact of financial crisis on values of ratios of total assets turnover, fixed assets turnover, current assets turnover, trade deficit, current liquidity, quick liquidity, immediate liquidity, return on assets, return on equity, return on sales, debt ratio and labor productivity ratio. Thesis is related to companies from industry sectors from selected countries of European Union. Data are from years 2006 to 2009. In all ratios start of financial crisis was registered. In case of turnover ratios, return ratios, debt ratio and labor productivity ratios decrea

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50

Zhang, Jun. "Nearest neighbor queries in spatial and spatio-temporal databases /." View abstract or full-text, 2003. http://library.ust.hk/cgi/db/thesis.pl?COMP%202003%20ZHANG.

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