Learning to Identify Students' Relevant and Irrelevant Questions in a Micro-blogging Supported Classroom. - Suleyman Cetintas; Luo Si; Sugato Chakravarty; Hans Aagard; Kyle Bowen (Intelligent Tutoring Systems (2), 2010)

Microblogging in a Classroom: Classifying Students' Relevant and Irrelevant Questions in a Microblogging-Supported Classroom. - Suleyman Cetintas; Luo Si; Hans Aagard; Kyle Bowen; Mariheida Cordova-Sanchez (IEEE Trans. Learn. Technol., 2011)