Fecha de publicación: 28/03/2023 Fuente: Wipo "BigData" The invention discloses a coal mine safety knowledge map construction method and device based on a spatial knowledge map, and the method comprises the steps: obtaining a coal mine safety big data set; obtaining a task target vector, a demand feature vector and an objective space-time knowledge table based on the coal mine safety big data set; and based on the task target vector, the demand feature vector and the objective space-time knowledge table, constructing a coal mine safety knowledge map based on a spatial knowledge map. According to the coal mine safety knowledge map construction method and device based on the spatial knowledge map disclosed by the invention, the coal mine safety knowledge map based on the spatial knowledge map is constructed on the basis of summarizing the knowledge analysis concept of the coal mine safety map, so that the information processing capability and the information cognition efficiency in the coal mine safety management process can be improved; according to the method, multi-source heterogeneous information and knowledge can be intelligently integrated into a knowledge ontology/graph with less uncertainty, higher accuracy and better understandability, and a perception situation can be better understood in a perception layer.