基于面本体的情境搜索研究 |
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引用本文: | 王敏,周竹荣.基于面本体的情境搜索研究[J].计算机工程与应用,2013(5). |
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作者姓名: | 王敏 周竹荣 |
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作者单位: | 西南大学 计算机与信息科学学院 计算机科学与技术系,重庆 400715 |
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摘 要: | 为了将用户的搜索过程与用户当前情境相关联,提出一种基于面本体的情境搜索模型(Faceted Ontology-based Context Search,FOCS)。FOCS根据情境本体对用户输入的关键字进行语义扩展,生成相应的搜索本体。通过面本体标注各类异构文档,利用洪泛相似度算法进行搜索本体与面本体的本体匹配,实现情境搜索。实验结果表明,提出的方法应用于搜索引擎,与传统的信息搜索比较,具有更好的查全率与查准率。
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关 键 词: | 面本体 情境本体 情境搜索 相似度洪泛算法 |
Context search based on faceted ontology |
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Abstract: | This paper describes a new model based on the faceted-ontology,FOCS,for performing search in context.In the model,the keywords inputted by users are semantic expansion by context-ontology and the related search-ontology is produced.And it annotates all kinds of heterogeneous documents by faceted-ontology.The realization of context search is mapping search-ontology and faceted-ontology by the similarity flooding algorithm.The experimental results show the FOCS is better than the traditional search in the facets of recall and precision. |
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Keywords: | faceted ontology context ontology context search similarity flooding algorithm |
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