Instead utilize contact page URLs, Wikipedia page about your business or something more stable that what Google may utilize in its understanding graph.Here is the video embed where he said this: Here is the records: Can we utilize the kg mid, essentially kind of a specific url for knowledge graph entities, I think, as the sameas property.As far as I know you can do this. Because basically the understanding graph ID that we have on our side it might change over time and when youre looking at something like the same as home in structured data you really desire to provide something that is steady. And if you appoint something that is created by Google which in theory might change over time then that feels a bit, i do not understand, breakable and it feels like something that might break over time.