Abstract:Community Question and Answering (CQA) is a wellknown platform for knowledge sharing and social learning. CQA services have expanded into the education sector, where school students are the main users. Here, CQA functions as a non-traditional learning environment in which students use their own knowledge to construct the knowledge base. However, there have been cases where some questions are not answered within such a Q&A system. This failure may occur if a question is unclear, complex, inappropriate, or unrel… Show more
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