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Associative and Spatial Relationships in Thesaurus-based Retrieval

Associative and Spatial Relationships in Thesaurus-based Retrieval
Associative and Spatial Relationships in Thesaurus-based Retrieval
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.
3-540-41023-6
45-58
Alani, Harith
70cdbdce-1494-44c2-9dae-65d82bf7e991
Jones, Christopher
a3c8d02d-df46-42ce-83ba-ff803bed6696
Tudhope, Douglas
c083644b-4554-465f-97e4-c5c746bda911
Borbinha, Jose
43db0fd6-2e07-4a5c-8c5a-c81cbeda993a
Baker, Thomas
fcebcdb8-ea3f-4c17-8923-46323ebbc627
Alani, Harith
70cdbdce-1494-44c2-9dae-65d82bf7e991
Jones, Christopher
a3c8d02d-df46-42ce-83ba-ff803bed6696
Tudhope, Douglas
c083644b-4554-465f-97e4-c5c746bda911
Borbinha, Jose
43db0fd6-2e07-4a5c-8c5a-c81cbeda993a
Baker, Thomas
fcebcdb8-ea3f-4c17-8923-46323ebbc627

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

Record type: Conference or Workshop Item (Paper)

Abstract

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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More information

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

Identifiers

Local EPrints ID: 255702
URI: https://eprints.soton.ac.uk/id/eprint/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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