A general optimization framework for smoothing language models on graph structures.

Qiaozhu Mei Duo Zhang ChengXiang Zhai A general optimization framework for smoothing language models on graph structures. 611-618 2008 SIGIR http://doi.acm.org/10.1145/1390334.1390438 conf/sigir/2008 db/conf/sigir/sigir2008.html#MeiZZ08