【摘要】 在对经典信息过滤算法进行研究分析的基础上,结合网页重要性和主题相关性,给出了专题搜索引擎中信息过滤模块的设计思路和实施策略,并在专业词汇、查询扩展和用户反馈等方面对算法进行了改进和拓展。最后给出了系统的实施方案,并对将来的工作做了展望。更多还原

【Abstract】 Classic information filtering algorithm is briefly studied and analyzed.On this basis,the importance of web pages and the correlation of themes,the design thought and implement strategy of information filtering model in professional search engine are presen-ted.Moreover the algorithm is improved and expanded on professional words,enlargement of inquiry,feedback of customers,etc.Finally the systematic implementation scheme is supplied and the future work is conceived.更多还原