This article makes further study on data needed by automatic construction for Chinese medicinal ontology' concept description architacture, reconstructs and uses recognized knowledge in Chinese medicine's domain by theory and technology of NLP. Based on realizing Chinese medicine knowledge description architacture's automatic construction and acquiring successfully, this article use experts' knowledge to realize au-learning system of limited text's ontology and try exploring domain ontology' evolution. it revolve bottleneck problems of ontology study effectively to lay the data base for Chinese knowledge's dining and use. Untill now, this has been more ideal and applied method and its successful study would be provide theory gist and technology support for professional domain ontology's automatic construction.
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