Google Improves Image Search with Freebase Identifiers
seobythesea.com
seobythesea.com
https://www.w3.org/wiki/WebSchemas
Interestingly, those mids are hashes of an earlier id system, which itself sourced from (i think,) wikipedia/en titles. There's kind of an accidental archaeology happening, from the anonymous hard-work of many smart people.
https://cloud.google.com/vision/docs/concepts#label_detectio...