Hang Cui et al.
NUS at TREC-13 QA Main Task
3/20
What’s New
This Year
•Approximate matching of grammatical dependency relations for answer
extraction
•Soft matching patterns in identifying
definition sentences.
–See [Cui et al., 2004a] and [Cui et al., 2004b]
•Exploiting definitions to answer factoid and
list questions.