Time Series Topic Modeling and Bursty Topic Detection of Correlated News and Twitter Daichi Koike author Yusuke Takahashi author Takehito Utsuro author Masaharu Yoshioka author Noriko Kando author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication koike-etal-2013-time https://aclanthology.org/I13-1118/ 2013-10 917 921