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Recent years have witnessed the proliferation of Massive Open Online Courses (MOOCs). With massive learners being offered MOOCs, there is a demand that the forum contents within MOOCs need to be classified in order to facilitate both learners and instructors. Therefore we investigate a significant application, which is to associate forum threads to subtitles of video clips. This task can be regarded as a document ranking problem, and the key is how to learn a distinguishable text representationdoi:10.18653/v1/d17-1293 dblp:conf/emnlp/JiangFCML17 fatcat:mtlridoskffzvll234autxgt5u