Context-Enhanced Personalized Social Summarization Po Hu author Donghong Ji author Chong Teng author Yujing Guo author 2012-12 text Proceedings of COLING 2012 Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication hu-etal-2012-context https://aclanthology.org/C12-1075/ 2012-12 1223 1238