%0 Conference Paper %B Proceedings of the 21st World Wide Web Conference (WWW 2012)(Companion Volume) %D 2012 %T Query spelling correction using multi-task learning %A Xu Sun %A Anshumali Shrivastava %A Ping Li %B Proceedings of the 21st World Wide Web Conference (WWW 2012)(Companion Volume) %P 613-614 %G eng %U http://doi.acm.org/10.1145/2187980.2188153 %R 10.1145/2187980.2188153