MIKE: An Interactive Microblogging Keyword Extractor using Contextual Semantic Smoothing Osama Khan author Asim Karim author 2012-12 text Proceedings of COLING 2012: Demonstration Papers Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication khan-karim-2012-mike https://aclanthology.org/C12-3036/ 2012-12 289 296