| 基于语义扩展的数字图书馆知识推荐系统 |
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| 引用本文： | 张冬梅.基于语义扩展的数字图书馆知识推荐系统[J].中北大学学报(社会科学版),2008,24(6):84-88. |
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| 作者姓名： | 张冬梅 |
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| 作者单位： | 中北大学图书馆,山西太原,030051 |
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| 摘 要： | 构建个性化知识推荐系统是数字图书馆实现个性化信息服务的有效手段,推荐服务的关键在于完整地理解用户兴趣并准确作出推荐.文章提出了一种基于语义扩展的知识推荐方法,通过分析读者文献检索、浏览的行为提取读者偏好.利用扩展激活模型扩充读者偏好档案,对文献信息资源进行匹配和分级,通过文献的级别决定推荐的次序,对推荐信息进行反馈,动态更新读者的偏好档案.
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| 关 键 词： | 个性化服务 知识推荐 语义扩展 |
Personalized Knowledge Recommendation in Digital Library Based on Semantic-Expansion |
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| ZHANG Dongmei.Personalized Knowledge Recommendation in Digital Library Based on Semantic-Expansion[J].Journal of North China Institute of Technology(Social Sciences),2008,24(6):84-88. |
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| Authors: | ZHANG Dongmei |
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| Institution: | ZHANG Dongmei(Library,North University of China,Taiyuan 030051,China) |
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| Abstract: | Personalized knowledge recommendation is an effective means to provide individual information service in digital library,however,a complete understanding of the user profile and accurate recommendation are essential.In this paper,the method adopts a semantic-expansion approach to build the user profile by analyzing documents previously read by the person,matching keywords of the documents and the concepts in the expanded user profile,rating documents in database and making recommendation.The profile of user... |
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| Keywords: | personalization knowledge recommendation semantic expansion |
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