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
Related Claims
VerifiedThe Knowledge Graph was first proposed by Google in 2012 and used for search engine optimization.75% similarUnverifiedThe Google Knowledge Graph is a semantic database containing billions of real-world entities and their relationships.75% similarUnverified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% similarUnverified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% similarUnverified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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https://kongchang.com/claim/585971API
curl https://kongchang.com/api/v1/knowledge/claims/585971MCP
get_claim(id=585971)