1. 360
v. tencent. http://en.wikipedia.org/wiki/360_v._Tencent Accessed May 2013. 360 v. tencent. http://en.wikipedia.org/wiki/360_v._Tencent Accessed May 2013.
2. LIBSVM
3. N. Cristianini and J. Shawe-Taylor. An introduction to support Vector Machines: and other kernel-based learning methods. Cambridge university press 2006. N. Cristianini and J. Shawe-Taylor. An introduction to support Vector Machines: and other kernel-based learning methods . Cambridge university press 2006.
4. ICTCLAS2011. http://hi.baidu.com/drkevinzhang/home Accessed March 2011. ICTCLAS2011. http://hi.baidu.com/drkevinzhang/home Accessed March 2011.
5. Opinion spam and analysis