Agreed the article doesn't make it clear. I know companies like Netflix have built knowledge graphs of their products which they create embeddings of to feed to

Agreed the article doesn't make it clear. I know companies like Netflix have built knowledge graphs of their products which they create embeddings of to feed to ML models which helps them make better recommendations. NASA also built one to ease search of safety information when building new things. https://netflixtechblog.com/supporting-content-decision-makers-with-machine-learning-995b7b76006f https://netflixtechblog.com/supporting-content-decision-make... https://neo4j.com/blog/nasa-critical-data-knowledge-graph/ https://neo4j.com/blog/nasa-critical-data-knowledge-graph/