关键词: 信息提取 网页结构挖掘 重复模式 时间特征 RSS

Abstract: To simplify the task of obtaining information from the vast number of information sources that are available on the WWW, we have developed two different methods to extract information of fine grain. This paper firstly describes the principles of the two m

Key words: Information extraction, Mining structures of Web pages, Repeated pattern, Time characteristic, RSS