3. The method of claim 1 , wherein determining an answer term match score that is a measure of similarity of answer terms to the candidate answer passage comprises: generating a list of terms from terms included in the top-ranked subset of resources; and for each term in the list of terms, generating a term weight for the term.
3. The method of claim 1 , wherein determining an answer term match score that is a measure of similarity of answer terms to the candidate answer passage comprises: generating a list of terms from terms included in the top-ranked subset of resources; and for each term in the list of terms, generating a term weight for the term. 5. The method of claim 3 , wherein determining an answer term match score that is a measure of similarity of answer terms to the candidate answer passage comprises: determining a number of times the term occurs in the candidate answer passage; and multiplying the number of resources the term occurs in the candidate answer passage by the term weight for the term.