An effective information representation for opinion-oriented applications.
当今,越来越多的用倾向于使用论坛、博客、脸书等在线工具来表达关于商品、电影和政治等话题的观点。这些观点不仅可以帮助用进行决策,同时也为各个商业和社会领域提供了具有重要价值的反馈信息。因此,面向观点应用成为了当前最活跃的研究领域之一,其中包括观点检索,观点摘要,观点问答。面向观点应用与面向事实应用的根本区别是信息需求的不同,分别是传统的客观信息和主观信息。所谓主观信息是指对于某个特定目标的观点或评论。为了表示主观信息,应该综合考虑观点性、主题相关性,以及观点与主题之间的关联。现有的基于词袋的表示方法将词作为描述客观信息的基本语义单元,它可以有效的表示主题相关性以满足客观信息的需求。而主观信息需要...
Other Authors: | Li, Binyang |
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Format: | Others |
Language: | English Chinese |
Published: |
2013
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Subjects: | |
Online Access: | http://library.cuhk.edu.hk/record=b5549839 http://repository.lib.cuhk.edu.hk/en/item/cuhk-328173 |
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