Finding the right facts in the crowd: factoid question answering over social media.

Jiang Bian Yandong Liu Eugene Agichtein Hongyuan Zha Finding the right facts in the crowd: factoid question answering over social media. 467-476 2008 WWW http://doi.acm.org/10.1145/1367497.1367561 conf/www/2008 db/conf/www/www2008.html#BianLAZ08