Tianming Hu Hui Xiong Wenjun Zhou Sam Yuan Sung Hangzai Luo Hypergraph partitioning for document clustering: a unified clique perspective. 871-872 2008 SIGIR http://doi.acm.org/10.1145/1390334.1390548 conf/sigir/2008 db/conf/sigir/sigir2008.html#HuXZSL08