CAJ | 학술논문

随着web2．0的迅速发展，互联网成为人们表达观点、抒发情感的重要工具,如何有效地从web文本中提取、归纳出用户的情感观点是研究者所面临的重要问题。本文首先提出对日益增多的web文本进行情感分析的必要性。然后从文本主客观性分类、情感极性分类和主题及观点持有者抽取等方面介绍文本情感分析在国内外的研究进展；最后总结出今后需深入研究的问题。
수착web2．0적신속발전，호련망성위인문표체관점、서발정감적중요공구,여하유효지종web문본중제취、귀납출용호적정감관점시연구자소면림적중요문제。본문수선제출대일익증다적web문본진행정감분석적필요성。연후종문본주객관성분류、정감겁성분류화주제급관점지유자추취등방면개소문본정감분석재국내외적연구진전；최후총결출금후수심입연구적문제。
With the rapid development of Web2.0 technology, Intemet has become an important tool for people to express their opinion and emotion. It is a challenge for researchers how to extract and summarize user opinions expressed in web text. Firstly, this paper presented the necessity of sentiment analysis on the growing Web text. Then it introduced the research progress both at home and abroad of text sentiment analysis from the prospeet of emotional information classification and information extrac- tion. Finally, it summarized the sentiment analysis application status, existing problems and deficiencies of it.