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GeoInformatica

, Volume 14, Issue 4, pp 481–505 | Cite as

Combining ontologies to automatically generate temporal perspectives of geospatial domains

  • Kathleen Stewart HornsbyEmail author
  • Kripa Joshi
Article

Abstract

This paper describes an approach for automatically combining geospatial and temporal ontologies such that a geospatial domain can be analyzed over multiple temporal granularities. Terms from a geospatial ontology are combined with terms from a temporal ontology to form cross products that provide an integrated spatiotemporal framework. This framework is multi-granular, highlighting elements from the geospatial ontology at different domain times. We show how pairs of ontologies represented in Protégé can be used as the input for deriving cross products and how the results of this technique can be used as a basis for querying and retrieving new perspectives on geospatial domains. Visualizations of cross product spaces highlight the geospatial–temporal combinations of terms as well as the different relations that link these terms and improve the understanding of the structure of the spatiotemporal framework. Methods for filtering terms from the cross products are also investigated in order to prune the resulting frameworks and remove irrelevant or unnecessary terms.

Keywords

Geospatial ontology Temporal ontology Multi-granular modeling Spatiotemporal data modeling 

Notes

Acknowledgments

Kathleen Stewart Hornsby’s research is supported in part by the US Department of Defense under grant numbers HM1582-05-1-2039, HM1582-08-1-2001 and HM1582-08-1-0013.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of GeographyThe University of IowaIowa CityUSA
  2. 2.ESRI, Inc.RedlandsUSA

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