小象学院知识图谱
术界目前缺乏一个被普遍接受的严格定义,大多数定义是通过形式化描述知识图谱的一般语义表示或基础特征来给出定义。下面提供两条相对准确的定义以供参考。
定义1(Ehrlinger et al.):A knowledge graph acquires and integrates information into an ontology and applies a reasoner to derive new knowledge. 知识图谱获取信息并将其集成到本体中,并应用推理器来获取新知识。
定义2(Wang et al.):A knowledge graph is a multi-relational graph composed of entities and relations which are regarded as nodes and different types of edges, respe