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Geographical Information Retrieval with Ontologies of Place

Jones, Christopher B., Alani, Harith and Tudhope, Douglas (2001) Geographical Information Retrieval with Ontologies of Place At Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science (COSIT), United States. , pp. 322-335.

Record type: Conference or Workshop Item (Paper)


Geographical context is required of many information retrieval tasks in which the target of the search may be documents, images or records which are referenced to geographical space only by means of place names. Often there may be an imprecise match between the query name and the names associated with candidate sources of information. There is a need therefore for geographical information retrieval facilities that can rank the relevance of candidate information with respect to geographical closeness of place as well as semantic closeness with respect to the information of interest. Here we present an ontology of place that combines limited coordinate data with semantic and qualitative spatial relationships between places. This parsimonious model of geographical place supports maintenance of knowledge of place names that relate to extensive regions of the Earth at multiple levels of granularity. The ontology has been implemented with a semantic modelling system linking non-spatial conceptual hierarchies with the place ontology. An hierarchical spatial distance measure is combined with Euclidean distance between place centroids to create a hybrid spatial distance measure. This is integrated with thematic distance, based on classification semantics, to create an integrated semantic closeness measure that can be used for a relevance ranking of retrieved objects.

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Published date: 2001
Venue - Dates: Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science (COSIT), United States, 2001-01-01
Organisations: Web & Internet Science


Local EPrints ID: 255706
PURE UUID: 7430d41e-d68c-4fe9-b62b-cac543afd0d2

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Date deposited: 20 Apr 2001
Last modified: 18 Jul 2017 09:51

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Author: Christopher B. Jones
Author: Harith Alani
Author: Douglas Tudhope

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