摘要
话题识别与跟踪以大规模新闻流为研究对象,通过监控新闻报道描述的话题,发现新的用户感兴趣的信息并将涉及某个话题的新闻报道组织起来以某种方式呈现给用户。本文首先介绍话题识别与跟踪的主要任务、相关概念和评价方法,然后对话题识别国内外研究现状进行详细论述,最后对话题识别的发展趋势和未来的研究方向进行分析。
The research object of TDT(Topic Detection and Tracking) is massive news flow,monitoring the topic of news,finds out new users attracting information,and somehow show the organized reports about a certain topic.At first,the paper introduces TDT and its primary tasks,related concepts and evaluation methods.Then,recent research situation about Topic Detection is focused.Finally,the paper analyzes the development tendency and future direction of Topic Detection.
出处
《中国管理信息化》
2011年第9期56-59,共4页
China Management Informationization
关键词
话题
话题识别
话题跟踪
Topic
Topic Detection
Topic Tracking