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On the Support of Mobility in ORDBMS


  • Nikos Pelekis

    (Department of Statistics and Insurance Science, University of Piraeus, Piraeus, Greece)

  • Elias Frentzos

    (Department of Informatics, University of Piraeus, Piraeus, Greece)

  • Nikos Giatrakos

    (Department of Informatics, University of Piraeus, Piraeus, Greece)

  • Yannis Theodoridis

    (Department of Informatics, University of Piraeus, Piraeus, Greece)


Composition of space and mobility in a unified data framework results into Moving Object Databases (MOD). MOD management systems support storage and query processing of non-static spatial objects and provide essential operations for higher level analysis of movement data. The goal of this paper is to present Hermes MOD engine that supports the aforementioned functionality through appropriate data types and methods in Object-Relational DBMS (ORDBMS) environments. In particular, Hermes exploits on the extensibility interface of ORDBMS that already have extensions for static spatial data types and methods that follow the Open Geospatial Consortium (OGC) standard, and extends the ORDBMS by supporting time-varying geometries that change their position and/or extent in space and time dimensions, either discretely or continuously. It further extends the data definition and manipulation language of the ORDBMS with spatio-temporal semantics and functionality.

Suggested Citation

  • Nikos Pelekis & Elias Frentzos & Nikos Giatrakos & Yannis Theodoridis, 2014. "On the Support of Mobility in ORDBMS," International Journal of Knowledge-Based Organizations (IJKBO), IGI Global, vol. 4(1), pages 38-64, January.
  • Handle: RePEc:igg:jkbo00:v:4:y:2014:i:1:p:38-64

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