The main downfall of the Semantic web efforts are not technological, but due to a misalignment of incentives. Semantic web formats require content creators to annotate metadata for machines where webpages are intended for human readers.

We think that the main way to achieve a practical semantic web is to have AI synthesize a Knowledge Graph from applying CV/NLP techniques to understanding all webpages. More about our project here:

https://www.zdnet.com/article/the-web-as-a-database-the-bigg...