UMass at TREC 2004: Novelty and HARD

For the TREC 2004 Novelty track, UMass participated in all four tasks. Although finding relevant sentences was harder this year than last, we continue to show marked improvements over the baseline of calling all sentences relevant, with a variant of tfidf being the most successful approach. We achieve 5

• Type: Conference
• Year: 2004
• Where: TREC
• Authors: Nasreen Abdul Jaleel, James Allan, W. Bruce Croft, Fernando Diaz, Leah S. Larkey, Xiaoyan Li, Mark D. Smucker, Courtney Wade
• Keywords: Document Retrieval Methods, Passage Retrieval, Retrieval Method, TREC 2004, TREC 2008