Starting from some scientific issues that need to be handled in the field of digitalization of intangible cultural heritage,this paper firstly points out problems that faced by intangible cultural heritage,such as the digitalization of its cultural space,quantitative analysis and prediction,living inheritance and so on,then studies the key technologies in response to the issues involved above which is a big challenge to make a breakthrough,including semantic ontology and knowledge management modeling,spacetime modeling and big data mining,visualization modeling and intelligent human-computer i...
