Extractive Headline Generation Based on Learning to Rank for Community Question Answering
User-generated content such as the questions on community question answering (CQA) forums does not always come with appropriate headlines, in contrast to the news articles used in various headline generation tasks. In such cases, we cannot use paired supervised data, e.g., pairs of articles and headlines, to learn a headline generation model. To overcome this problem, we propose an extractive headline generation method based on learning to rank for CQA that extracts the most informative substring from each question as its headline. Experimental results show that our method outperforms several baselines, including a prefix-based method, which is widely used in real services.
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ArticlesCommunity Question AnsweringHeadline GenerationLearning-To-RankQuestion AnsweringSimilar Papers 제목 키워드 기반
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