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基于热传导模型的更新摘要算法

, PP. 367-374

Keywords: 更新摘要,面向话题的多文档摘要,热传导模型

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Abstract:

更新除了要解决传统的面向话题的多文档的两个要求——话题相关性和信息多样性,还要求应对用户对信息新颖性的需求。文中为更新提出一种基于热传导模型的抽取式算法——HeatSum。该方法能够自然利用句子与话题,新句子和旧句子,以及已选句子和待选句子之间的关系,并且为更新找出话题相关、信息多样且内容新颖的句子。实验结果表明,HeatSum与参加TAC09评测的表现最好的抽取式方法性能相当,且更优于其它基准方法。关键词:更新,面向话题的多文档,热传导模型

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