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...

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Detalhes bibliográficos
Autor principal: Cardoso, Nuno (author)
Outros Autores: Cruz, David (author), Chaves, Marcirio (author), Silva, Mário (author)
Formato: conferenceObject
Idioma:eng
Publicado em: 2012
Assuntos:
Texto completo:http://hdl.handle.net/10884/310
País:Portugal
Oai:oai:repositorio-cientifico.uatlantica.pt:10884/310
Descrição
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.