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CWI at TREC 2011: Session, Web, and Medical
2011
Text Retrieval Conference
We report on the participation of the Interactive Information Access group of the CWI Amsterdam in the web, session, and medical track at TREC 2011. In the web track we focus on the diversity task. We find that cluster-based subtopic modeling approaches improve diversification performance compared to a non-cluster-based subtopic modeling approach. While gain was observed on previous years' topic sets, diversification with the proposed approaches hurt the performance when compared to a
dblp:conf/trec/HeHBVC11
fatcat:hbumk3r4kjevtdhmacmrt6tcsi