In order to solve the problem that the traditional ontology construction method is time-con- suming and has subjective dependency, this paper takes the CNKI core journals of edible oil research domain as the data source, and extracts and analyzes the hierarchical relationship between the core keywords of edible oil research domain to elaborate and demonstrate, including the extraction and screening of the author and the keywords of the core domain, the establishment of the ＂author-key- word＂ association matrix,the generation of the concept la...
