Research on the construction of knowledge ontology for intangible cultural heritage

[Purpose/significance] This paper uses RDF triplet and ontology as the description framework to explain the knowledge structure and data association of "intangible cultural heritage" data resources, uniformly model and store fragmented "intangible cultural heritage" data resources, and realize the data prototype of visual expression, which is conducive to enriching the theoretical research on digital protection of "intangible cultural heritage" resources and the "living" inheritance of intangible cultural heritage. [ Method/process] to build a knowledge ontology model in the field of intangible cultural heritage. Firstly, the structure of intangible cultural heritage knowledge is analyzed; Then, the visual construction of knowledge ontology is realized in Protégé, and the idea of semantic association visualization based on knowledge ontology is proposed; Finally, take Dujiazhuang woodcut New Year pictures as an example for empirical research. [ Results/Conclusion] Intangible cultural heritage domain knowledgeontology describes "intangible cultural heritage" data resources from a fine-grained level, providing a way of semantic description and data association organization for "intangible cultural heritage" data resources.