Beyond Schema Versioning: A Flexible Model for Spatio-Temporal Schema Selection

  • Authors:

  • John F. Roddick;Fabio Grandi;Federica Mandreoli;Maria Rita Scalas

  • Affiliations:

  • School of Informatics and Engineering, Flinders University of South Australia, PO Box 2100, Adelaide 5001, South Australia, Australia roddick@cs.flinders.edu.au;Dipartimento di Elettronica, Informatica e Sistemistica, Università degli Studi di Bologna, Viale Risorgimento, 2, I-40136, Bologna, Italy fgrandi@deis.unibo.it;Dipartimento di Elettronica, Informatica e Sistemistica, Università degli Studi di Bologna, Viale Risorgimento, 2, I-40136, Bologna, Italy fmandreoli@deis.unibo.it;Dipartimento di Elettronica, Informatica e Sistemistica, Università degli Studi di Bologna, Viale Risorgimento, 2, I-40136, Bologna, Italy mrscalas@deis.unibo.it

  • Venue:
  • Geoinformatica
  • Year:
  • 2001

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Abstract

Schema versioning provides a mechanism for handling change in the structure of database systems and has been investigated widely, both in the context of static and temporal databases. With the growing interest in spatial and spatio-temporal data as well as the mechanisms for holding such data, the spatial context within which data items are formatted also becomes an issue. This paper presents a generalized model that accommodates temporal, spatial and spatio-temporal schema versioning within databases.