Multi-granular spatio-temporal object models : concepts and research directions

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Title: Multi-granular spatio-temporal object models : concepts and research directions
Authors: Bertino, Elisa
Camossi, Elena
Bertolotto, Michela
Permanent link: http://hdl.handle.net/10197/1339
Date: 3-Jul-2009
Abstract: The capability of representing spatio-temporal objects is fundamental when analysing and monitoring the changes in the spatial configuration of a geographical area over a period of time. An important requirement when managing spatio-temporal objects is the support for multiple granularities. In this paper we discuss how the modelling constructs of object data models can be extended for representing and querying multi-granular spatio-temporal objects. In particular, we describe object-oriented formalizations for granularities, granules, and multi-granular values, exploring the issues of value conversions. Furthermore, we formally define an object-oriented multi-granular query language, and discuss the dynamic adapting of multi-granular data. Finally, we illustrate the current open research issues of multi-granular spatio-temporal data handling.
Funding Details: Science Foundation Ireland ; Irish Research Council for Science, Engineering & Technology
Type of material: Conference Publication
Publisher: Springer
Copyright (published version): Springer-Verlag Berlin Heidelberg 2010
Keywords: Spatio-temporal multi-granularity;Object oriented models
Subject LCSH: Object-oriented methods (Computer science)
Granular computing
DOI: 10.1007/978-3-642-14681-7_8
Language: en
Status of Item: Peer reviewed
Is part of: M.C. Norrie and M. Grossniklaus (eds.). Object databases : Second International Conference, ICOODB 2009 Zurich, Switzerland, July 1-3, 2009 : Revised Papers, LNCS 5936
Conference Details: Paper presented at the International Conference on Object Databases, 1-3 July 2009, Zurich
Appears in Collections:Computer Science Research Collection

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