[目的/意义]通过对国内外多语本体领域映射技术相关研究成果的总结和EuroWordNet案例分析,为国内跨语言信息检索系统映射机制的建立提供借鉴和参考。[方法/过程]选取目前发展较为成熟的多语本体库EuroWordNet作为案例,分别从数据库设计、本体构建、概念存储和多语文化差异的映射处理4个方面对其中间语言索引机制(Inter-Lingual-Index,ILI)进行分析。[结果/结论]嵌入式的数据库结构设计、概念抽取及同义词集对应关系的界定、概念存储的细粒度化和复杂等价关系的建立是建立跨语言信息检索映射机制的关键。
[Purpose/significance] Through the summary of related research results of domestic and foreign on ontology mapping technology in multilingual domain and case study of EuroWordNet, this paper will provide some reference for the establishment of mapping mechanism of cross-language information retrieval system in China.[Method/process] The case study is mainly around the following four aspects:the database design, the ontology construction, the concepts storage mechanism and the mapping process of multilingual cultural differences.[Result/conclusion] The result finds that embedded database structure design, concept extraction and the definition of the corresponding relationship among synonym sets, establishment of fine-grained concept storage and establishment of complex equivalence relation are the key factors of mapping mechanism in cross-language information retrieval.
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