【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 WangQiang
Abstract 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