一种基于影视素材本体的关键词查询扩展方法研究  

Research on keyword query expansion using film material ontology

作　　者：沈熠[1] 赵琳[2] 

机构地区：[1]上海大学计算机中心,上海200444 [2]上海大学计算机工程与科学学院,上海200444

出　　处：《微型机与应用》2016年第15期75-77,81,共4页Microcomputer & Its Applications

摘　　要：在语义搜索引擎系统中,为了使检索内容在不限制用户输入的情况下,检索结果更接近用户的需求,提出一种基于影视素材本体的查询扩展方法。对用户的检索文本中的关键词依据本体模型进行推理并按照相似度语义扩展,旨在得到更符合用户检索需求的扩展关键词集,在此基础上进行影视素材的检索,从而提高搜索引擎的召回率。In sematic search engine stystem,in order to make the retrieval results closer to the needs of users without restricting research text,it proposes an approach of query expansion based on film materials ontology. For user＇s search keywords,ontology model is employed to reasoning as well as do sematic expansion based on similarity,thus getting expansion keywords set that more suitable for user＇s retrieval requirements,then the research on film materials on the basis of this set is carried out and the recall of search engine is improved.

关 键 词：语义搜索 本体 查询扩展 影视素材 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]