Design Knowledge Retrieval Research Based on Domain Ontology

Abstract:

In order to solve the problems that design documents have large amounts of knowledge but distributed in disorder and that designers can’t express the true retrieval intention, which lead to a lot of useless retrieval results, this paper studied a retrieval algorithm of design knowledge based on domain ontology, and a design knowledge retrieval model based on domain ontology was established. On this basis, considering from word frequency, interval feature and semantic extension, the weight of which were taken into account for establishing retrieved concept set and indexing feature set of design documents; And according to vector space model, an improved similarity algorithm was used to match these set .Ultimately, the design knowledge matching with the retrieval intention was obtained, and the recall and precision of knowledge retrieval was improved greatly, thus achieving the purpose of knowledge reuse.

• Periodical: Applied Mechanics and Materials (Volumes 568-570)
• Pages: 1634-1638
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.568-570.1634
• Online since: June 2014
• Authors: Mei Jia Zhao, Lei Wang
• Keywords: Domain Ontology, Knowledge Reuse, Semantic Extension

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