術(shù)界目前缺乏一個(gè)被普遍接受的嚴(yán)格定義，大多數(shù)定義是通過(guò)形式化描述知識(shí)圖譜的一般語(yǔ)義表示或基礎(chǔ)特征來(lái)給出定義。下面提供兩條相對(duì)準(zhǔn)確的定義以供參考。

定義1（Ehrlinger et al.）：A knowledge graph acquires and integrates information into an ontology and applies a reasoner to derive new knowledge.?知識(shí)圖譜獲取信息并將其集成到本體中，并應(yīng)用推理器來(lái)獲取新知識(shí)。

定義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

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