UB at TREC Genomics 2006: Using Passage Retrieval and Pre-Retrieval Query Expansion for Genomics IR (original) (raw)

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2006, Text REtrieval Conference

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5 pages

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This paper presents the results of the University at Buffalo (UB) in TREC genomics. For this task we used the SMART retrieval system and a pre retrieval expansion method that uses the ABGene and MetaMap tools. We tried two different weighting schemes one using pivoted length normalization (Lnu.ltu) and another using augmented tf-idf (atn.ann). The results show that performance of