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Unverified50% confidenceFactExact time

谷歌知识图谱于 2012 年推出，最初通过收购 Freebase 获得种子数据，目前覆盖超过 5000 亿个事实

1

Sources

50%

Confidence

Long-term

Relevance

7/22/2026

First Seen

Sources

微软开源Ontology Playground：可视化学本体论的免费工具

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Verified知识图谱（Knowledge Graph）最早由Google于2012年提出并用于搜索引擎优化75% similar Unverified谷歌知识图谱是一个收录了数十亿现实世界实体及其关系的语义数据库75% similar Unverified谷歌词典框属于知识面板和精选摘要体系的一部分，由谷歌自2012年起构建的知识图谱驱动74% similar Unverified全球最具代表性的知识图谱包括 Google Knowledge Graph、微软 Satori 以及开源的 Wikidata73% similar Unverified知识图谱概念最早由Google于2012年正式推广，其底层数据模型源自语义网领域的RDF规范72% similar

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curl https://kongchang.com/api/v1/knowledge/claims/585971

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get_claim(id=585971)