> What's to stop Google from ingesting all of this semantic data, and then using their army of software devs to integrate the results into Google's search resul

> What's to stop Google from ingesting all of this semantic data, and then using their army of software devs to integrate the results into Google's search results? that's pretty much exactly what they were doing with freebase (https://developers.google.com/freebase/guide/basic_concepts https://developers.google.com/freebase/guide/basic_concepts)