[面向教学的Web搜索引擎中页面语法信息的抽取和元信息的提取]王强

【面向教学的Web搜索引擎中页面语法信息的抽取和元信息的提取】王强.pdf学 号:MGP33058 论文答辨日期:∞1年6月8日 指导教师:武港山(签字)Extraction of Syntactic and SemanticInformationin a Teaching-OrientedWebSearchEngine ADISSERTATION SUBMITTEDFORTHEDEPARTMENTOFCOMPUTERSCIENCEANDTECHNOLOGY ANDTHECOMMITTEEONGRADUATESTUDIES OFNANJINGUNIVERSITY INPARTIALFULFILLMENTOFTHEREQUIREMENTS FORTHEAPPLICATIONONMASTERDEGREE PresentedBy WangQiangAbstract ABSTRACT teaching-oriented information on the Web,but thereexist problems.First,togetherwith some useful information,huge amounts of teaching irrelevant information also reaches users because general Websearch engines alwaysindex thewholeWeb;moreover,specific need in teachingfield such as t
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