@InProceedings{liu-liu-weng:2011:LSM, author = {Liu, Fei and Liu, Yang and Weng, Fuliang}, title = {Why is "SXSW" trending? Exploring Multiple Text Sources for Twitter Topic Summarization}, booktitle = {Proceedings of the Workshop on Language in Social Media (LSM 2011)}, month = {June}, year = {2011}, address = {Portland, Oregon}, publisher = {Association for Computational Linguistics}, pages = {66--75}, url = {http://www.aclweb.org/anthology/W11-0709} }