We propose KG-ER, a conceptual schema language for knowledge graphs that describes the structure of knowledge graphs independently of their representation (relational databases, property graphs, RDF) while helping to capture the semantics of the information stored in a knowledge graph.

翻译：我们提出KG-ER，一种适用于知识图谱的概念模式语言，该语言独立于表示形式（关系数据库、属性图、RDF）描述知识图谱的结构，同时有助于捕捉知识图谱中存储信息的语义。