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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 4 of 4 1 Universidad Carlos III de Madrid Sara Lana-serrano; José C. González-cristóbal In: http://clef.isti.cnr.it/2009/working_notes/Lana-paperCLEF2009_MIRACLE_ImageCLEFmed2009.pdf Abstract: This paper describes the participation of MIRACLE research consortium at the ImageCLEFmed task of ImageCLEF 2009. The main purpose of our experiments was to determine if any improvement of the linguistic expansion modules that were developed for the previous CLEF campaign, in terms of precision and recall, was possible. Again, we focused on runs using text features only. First a common baseline algorithm was used in all experiments to process the document collection: text extraction, medical-vocabulary recognition, tokenization, conversion to lowercase, filtering, stemming and indexing and retrieval. Then this baseline algorithm was combined with different semantic expansion techniques. Documents were tagged based on the MeSH concept hierarchy using UMLS entities as basic root elements. Relevance-feedback techniques were also used. Average results were obtained. Keyword: 2009; Categories and Subject Descriptors H.3 [Information Storage and Retrieval; CLEF; E.2 [Data Storage Representations]. Keywords Image retrieval; H.2.5 Heterogeneous Databases; H.3.1 Content Analysis and Indexing; H.3.2 Information Storage; H.3.3 Information Search and Retrieval; H.3.4 Systems and Software; H.3.7 Digital libraries. H.2 [Database Management; ImageCLEF; ImageCLEF Medical Retrieval Task; indexing; information retrieval; linguistic engineering; medical domain-specific vocabulary; relevance feedback; thesaurus; topic expansion URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.561.9340 http://clef.isti.cnr.it/2009/working_notes/Lana-paperCLEF2009_MIRACLE_ImageCLEFmed2009.pdf BASE Hide details 2 MIRACLE-GSI at ImageCLEFphoto 2009: Comparing Clustering vs. Classification for Result Reranking Julio Villena-román; Sara Lana-serrano; José C. González-cristóbal In: http://clef.isti.cnr.it/2009/working_notes/Villena-paperCLEF2009_MIRACLE_ImageCLEFphoto2009.pdf BASE Show details 3 MIRACLE-GSI at ImageCLEFphoto 2008: Experiments on Semantic and Statistical Topic Expansion Julio Villena-román; Sara Lana-serrano; José C. González-cristóbal In: http://clef.isti.cnr.it/2008/working_notes/Villena1-paperCLEF2008_MIRACLE_ImageCLEFphoto2008.pdf BASE Show details 4 MIRACLE at ImageCLEFmed 2008: Evaluating Strategies for Automatic Topic Expansion Sara Lana-serrano; Julio Villena-román; José C. González-cristóbal In: http://clef.isti.cnr.it/2008/working_notes/Lana1-paperCLEF2008_MIRACLE_ImageCLEFmed2008.pdf BASE Show details

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