综述 A Survey on Knowledge Graphs - Representation, Acquisition and Applications
Survey: https://arxiv.org/abs/2002.00388v4 A knowledge graph is a structured representation of facts, consisting of entities, relationships and semantic descriptions. Entities can be real-world objects and abstract concepts, Relationships represent the relation between entities, Semantic descriptions of entities and their relationships contain types and properties with a well-defined meaning G: A knowledge graph F: A set of facts (h, r, t): A triple of head, relation and tail $(\mathbf{h}, \mathbf{r}, \mathbf{t})$: Embedding of head, relation and tail...