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Associative and Spatial Relationships in Thesaurus-based Retrieval

Alani, Harith, Jones, Christopher and Tudhope, Douglas, (2000) Associative and Spatial Relationships in Thesaurus-based Retrieval Borbinha, Jose and Baker, Thomas (eds.) At Proc. 4 th European Conf. on Digital Libraries (ECDL), Portugal. , pp. 45-58.

Record type: Conference or Workshop Item (Paper)


The OASIS (Ontologically Augmented Spatial Information System) project explores terminology systems for thematic and spatial access in digital library applications. A prototype implementation uses data from the Royal Commission on the Ancient and Historical Monuments of Scotland, together with the Getty AAT and TGN thesauri. This paper describes its integrated spatial and thematic schema and discusses novel approaches to the application of thesauri in spatial and thematic semantic distance measures. Semantic distance measures can underpin interactive and automatic query expansion techniques by ranking lists of candidate terms. We first illustrate how hierarchical spatial relationships can be used to provide more flexible retrieval for queries incorporating place names in applications employing online gazetteers and geographical thesauri. We then employ a set of experimental scenarios to investigate key issues affecting use of the associative (RT) thesaurus relationships in semantic distance measures. Previous work has noted the potential of RTs in thesaurus search aids but the problem of increased noise in result sets has been emphasised. Specialising RTs allows the possibility of dynamically linking RT type to query context. Results presented in this paper demonstrate the potential for filtering on the context of the RT link and on subtypes of RT relationships.

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Published date: September 2000
Venue - Dates: Proc. 4 th European Conf. on Digital Libraries (ECDL), Portugal, 2000-09-01
Organisations: Web & Internet Science


Local EPrints ID: 255702
ISBN: 3-540-41023-6
PURE UUID: 0e9add18-a351-4b52-b4a1-42fe676bd374

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Date deposited: 04 Apr 2001
Last modified: 18 Jul 2017 09:52

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Author: Harith Alani
Author: Christopher Jones
Author: Douglas Tudhope
Editor: Jose Borbinha
Editor: Thomas Baker

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