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，一种用于知识图谱的概念模式语言。它独立于知识图谱的具体表示形式（关系数据库、属性图、RDF）来描述知识图谱的结构，同时有助于捕捉存储在知识图谱中的信息语义。