[leoxv]

Wikidata is already providing a nearly globally accepted store of concept IDs. Wikipedia adds a lot of depth to this knowledge graph too.

Schema.org has become very popular and Google is backing this project. Wordpress and others are already using it.

Governments are requiring not just "open data", but also "open linked-data" (which can then be ingested into a SPARQL engine), because they want this data to be usable across organizations.

The financial industry are moving to the FIBO ontology, and on and on...