Power grid fault knowledge graph-based reasoning method and device, equipment and medium

The invention relates to the technical field of fault reasoning, and discloses a power grid fault knowledge graph-based reasoning method, device and equipment and a medium, and the method comprises the steps: carrying out the feature extraction of a power grid fault-based knowledge graph, and obtaining the feature information of the graph; based on the problem vector and the map feature information, a target head entity and a candidate set are obtained, and the candidate set comprises a plurality of candidate tail entities; obtaining a shortest path between the candidate tail entity and the target head entity according to the map feature information; obtaining a path feature vector in combination with the shortest path and the problem vector; and obtaining scores of the candidate tail entities according to the problem vectors and the path feature vectors. According to the method, the problem vector and the path feature vector are comprehensively considered, various feature information can be utilized more com