Yupeng Gu Yizhou Sun Ning Jiang Bingyu Wang Ting Chen 0007 Topic-factorized ideal point estimation model for legislative voting network. 183-192 2014 KDD https://doi.org/10.1145/2623330.2623700 conf/kdd/2014 db/conf/kdd/kdd2014.html#GuSJWC14