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How-Q Visualized answer Integrated causality graph A B S T R A C T The research aims to develop an automatic Question Answering system, in particular Why and How questions, on community web-boards to support ordinary people in preliminary diagnosis and problem solving, such as plant disease problems. The research includes two main problems: Why and How question identification and Why and How answer determination, where Why and How questions are based on explanations. Therefore, the researchdoi:10.1016/j.inpa.2016.01.002 fatcat:ixe64rawlnb7daaxr7brnke4ji