Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12253/310
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dc.contributor.authorCardoso, Nuno-
dc.contributor.authorCruz, David-
dc.contributor.authorChaves, Marcirio-
dc.contributor.authorSilva, Mário-
dc.date.accessioned2012-01-20T23:57:25Z-
dc.date.available2012-01-20T23:57:25Z-
dc.date.issued2008-09-10-
dc.identifier.urihttp://hdl.handle.net/10884/310-
dc.description.abstractThis 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.pt_PT
dc.language.isoengpt_PT
dc.publisherAdvances in Multilingual and Multimodal Information Retrieval: 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Springerpt_PT
dc.rightsopenAccessen
dc.subjectgeographicpt_PT
dc.subjectinformation retrievalpt_PT
dc.titleUsing Geographic Signatures as Query and Document Scopes in Geographic IRpt_PT
dc.typeconferenceObjectpt_PT
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