Question Answering Passage Retrieval Using Dependency Parsing

August 17, 2005

10/28

Paired Paths from Question and Answer

What percent of the nation's cheese does Wisconsin produce?

In Wisconsin, where farmers produce roughly 28 percent of the nation's cheese, the outrage is palpable.

< P1(Q) : subj >

< P1(Sent) : pcomp-n mod i >

Paired Relation Paths

SimRel (Q, Sent) = ∑i,j Sim (Pi (Q), Pj(Sent))


	Note: here is only one example of paired paths. We actually extract all corresponding paths between all matched question terms.