A Semi-Supervised Bayesian Network Model for Microblog Topic Classification Yan Chen author Zhoujun Li author Liqiang Nie author Xia Hu author Xiangyu Wang author Tat-Seng Chua author Xiaoming Zhang author 2012-12 text Proceedings of COLING 2012 Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication chen-etal-2012-semi https://aclanthology.org/C12-1035/ 2012-12 561 576