节点文献
基于本体的生物信息数据源的发现
Discovering Biological Information Data Sources Based on Ontology
【摘要】 随着互联网和生物信息的飞速发展,即时发现新的生物信息数据源来进行研究变得非常重要。传统的基于关键词的搜索引擎由于忽视了关键词本身所含的语义信息而得到较低的查全率和查准率,文中提出了基于本体的生物信息数据源发现的方法。通过本体描述的领域知识和反映文档信息的特征短语来语义扩充用户请求,从而提高了检索的查全率和查准率。
【Abstract】 With the rapid development of Internet and biological information, it becomes more important to discover timely new datasources about biological information.The traditional searching engine has become unfit to the requirements because disregarding the semantic information which
【关键词】 语义Web；
本体；
资源描述框架/Web本体语言；
特征短语；
基因调控；
【Key words】 imply results in lower recall and precision.In this paper, a retrieval system of discovering new biological information based on ontology is presented.By semantically wrapping users’ requirements about descriptive semantic information in ontology and feature phrases which can reflect the documents’ contents, it is possible to improve recall and precision accordingly. Key words:semantic Web； ontology； RDF/OWL； feature phrase； gene regulation；
【Key words】 imply results in lower recall and precision.In this paper, a retrieval system of discovering new biological information based on ontology is presented.By semantically wrapping users’ requirements about descriptive semantic information in ontology and feature phrases which can reflect the documents’ contents, it is possible to improve recall and precision accordingly. Key words:semantic Web； ontology； RDF/OWL； feature phrase； gene regulation；
【基金】 国家"八六三"计划基金资助项目(2002AA231071)
- 【文献出处】 微机发展 ,Microcomputer Development , 编辑部邮箱 ,2005年01期
- 【分类号】TP393
- 【被引频次】9
- 【下载频次】208