Team 8 Mowry, Srinivasan and Wong Ling 573, Spring University of Washington.

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Presentation transcript:

Team 8 Mowry, Srinivasan and Wong Ling 573, Spring University of Washington

Deliverable 3: Passage Retrieval Overview System Issues Experiments and Results

Deliverable 3: Passage Retrieval System Software used: Indri/Lemur retrieval system

Deliverable 3: Passage Retrieval Issues Query formulation Query Expansion

Deliverable 3: Passage Retrieval Experiments and Results Baseline (w/o QE): Baseline (w/ QE): Stopword list (Lucene):0.0576~ Stopword list (custom): (2004) Stopword list (custom): (2005)

Deliverable 3: Passage Retrieval Experiments and Results 2004 TREC: MRR Strict: MRR Lenient: TREC: MRR Strict: MRR Lenient:

Deliverable 3: Passage Retrieval Future Work Refine Indri query Incorporate passage re-ranking

Deliverable 3: Passage Retrieval That's all for now.