Using Geographic Signatures as Query and Document Scopes in Geographic IR
This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature types on both queries and documents, generating signatures with multiple geographic concepts as a scope of interest. We...
Autor principal: | |
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Outros Autores: | , , |
Formato: | conferenceObject |
Idioma: | eng |
Publicado em: |
2012
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Assuntos: | |
Texto completo: | http://hdl.handle.net/10884/310 |
País: | Portugal |
Oai: | oai:repositorio-cientifico.uatlantica.pt:10884/310 |
Resumo: | This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature types on both queries and documents, generating signatures with multiple geographic concepts as a scope of interest. We experimented new query expansion and text mining strategies, relevance feedback approaches and ranking metrics. |
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