Knowledge graph construction method and device for power grid dispatching service

The invention relates to the technical field of computers, in particular to a knowledge graph construction method and device for power grid dispatching businesses, and the method mainly comprises the steps: constructing a dispatching knowledge graph, an intra-industry domain knowledge graph for the power grid dispatching businesses, a power grid model knowledge graph and a fault plan knowledge graph; a knowledge graph construction technology based on a dynamic ontology is utilized, extraction is carried out through relationships among objects, relationships and attributes, basic information of a power grid, scheduling experience in a scheduling log, plan processing steps and contents and other knowledge are extracted, and a scheduling domain electric power knowledge graph database is constructed and formed; the method and the device are used for carrying out auxiliary decision making, intelligent recommendation of power grid fault scheduling and the like on future scheduling services, providing auxiliary deci