Hang Cui et al.
NUS at TREC-13 QA Main Task
18/20
Outline
•System architecture
•New Experiments in TREC-13 QA Main Task
–Approximate Dependency Relation
Matching for Answer Extraction
–Soft Matching Patterns for Definition Generation
–Definition Sentences in Answering
Topically-Related Factoid/List Questions
•Conclusion