Guoping Hu Dan Liu Qingfeng Liu Ren-Hua Wang Supervised Learning Approach to Optimize Ranking Function for Chinese FAQ-Finder. 531-538 2007 conf/pakdd/2007 PAKDD http://dx.doi.org/10.1007/978-3-540-71701-0_55 db/conf/pakdd/pakdd2007.html#HuLLW07