STUDY ON WEB DATA EXTRACTION

摘要：

A web data extraction system is provided, which adopting web page comparison and analysis within a website. On the basis of treeing and blocking web pages, the data block of web page is retrieved after compared and analyzed, and then the data is extracted via the comparison and judgement of more than one page of the same structure and format so as to actualize in-depth mining of technical information. The systems architecture and composition, and the process of the system tested on the physical property databases of chemistry are elaborated.

关键词： web data eztraction database web data gathering web page comparison and analysis

作者: Wensheng Li Lan Shan Ying Zhao Juhong Zhang

作者单位: School of Computer Science and Technology, Beijing University of Posts & Telecommunications, Beijing School of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100

会议类型: 国际会议

会议名称: China-Ireland International Conference on Information and Communications Technologies 2008(2008 中国-爱尔兰信息与通信技术国际会议 CIICT 2008)

会议地点: 北京

会议语种:英文

页码: 1-4

在线出版日期: 2008-09-26（万方平台首次上网日期，不代表论文的发表时间）