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Micro-blogging is a popular technology in social networking applications that lets users publish online short text messages (e.g., less than 200 characters) in real time via the web, SMS, instant messaging clients, etc. Micro-blogging can be an effective tool in the classroom and has lately gained notable interest from the education community. The paper proposes a novel application of text categorization for two types of micro-blogging questions asked in a classroom, namely relevant (i.e., questions that the teacher wants to address in the class) and irrelevant question using personalization together with question text leads to better categorization accuracy than using question text alone.
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