August 17, 2005
Question
Answering Passage Retrieval Using Dependency Parsing
27/28
Conclusions
•Proposed a novel fuzzy
relation matching method for
factoid QA passage retrieval
–Brings dramatic 70%+ improvement over the state-of-the-art systems
–Brings further 50% improvement over query expansion
–Future QA
systems should bring in relations between words for better performance
•Query expansion should
be integrated to relation matching
seamlessly