摘要: 以往的包装器主要针对仅含有一个数据块的Web页面,而对含有多个信息块的Web页面,简称MIB(Multiple Information Block), Web页面无法处理。该文提出了一个新的抽取规则,结合了基于文档结构的抽取规则和基于特征Pattern匹配的抽取规则的优点,能够有效地抽取MIB Web页面中的信息。
关键词:
Web,
信息抽取,
包装器,
抽取规则,
信息集成
Abstract: The existent wrapper can not correctly extract all the information from such page is called MIB (multiple information block) Web page. A kind of new extraction rule, which combines the advantage of extraction rules based on document structure and extraction rules based on patterns, is introduced to solve the problem.
中图分类号:
王庆一,王继成,周源远,袁春风. 多信息块Web页面中的抽取规则[J]. , 2003, 29(09): 50-.
WANG Qingyi, WANG Jicheng, ZHOU Yuanyuan, YUAN Chunfeng. Extraction Rule of MIB Web Page[J]. , 2003, 29(09): 50-.