Query Expansion for Sentence Retrieval Using Pseudo Relevance Feedback and Word Embedding

CLEF, pp. 97-103, 2017.

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Abstract:

This study investigates the use of query expansion (QE) methods in sentence retrieval for non-factoid queries to address the query-document term mismatch problem. Two alternative QE approaches: i) pseudo relevance feedback (PRF), using Robertson term selection, and ii) word embeddings (WE) of query words, are explored. Experiments are car...More

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