... dataset ofquestions and answers, as well as question refor-mulations, from the WikiAnswers1(WA) web site.WikiAnswers is a social Q&A site similar to Ya-hoo! Answers and AnswerBag. The ... (Section 3.2).3.1 Social Q&A SitesSocial Q&A sites, such as Yahoo! Answers andAnswerBag, provide portals where users can asktheir own questions as well as answer questionsfrom other users.For ... or partial answers:• MAP1, R-Prec1: exact answer (1)• MAP1,5, R-Prec1,5: exact answer (1) or par-tial answer (5)• MAP1,4,5, R-Prec1,4,5: exact answer (1) orpartial answer (5)...