RDF is one of those things it's easy to assume everybody has already encountered. RDF feels fundamental. Its predicate triplet design is fundamental, almost obvious (in hindsight?). It could not have not existed. Had RDF not existed, something else very similar would have appeared, it's a certitude.
But we might have reached a point where this assumption is quite false though. RDF and the semantic web were hot in the early 2000s, which was twenty years ago after all.
For what it’s worth, I think Solid is still very much “in development” and is a pre 1.0 thing no?
Update: Reboot the semantic web seems still the goal. From About Solid page [0]:
> Solid is an open standard for structuring data, digital identities, and applications on the Web. Solid aims to support the creation of the Web as Sir Tim Berners-Lee originally envisioned it when he invented the Web at CERN in 1989. Tim sometimes refers to Solid as “the web - take 3" — or Web3.0 — because Solid integrates a new layer of standards into the Web we already have. The goal of Solid is for people to have more agency over their data.
A more manageable scope for the project would be "Personal data vaults for self-sovereign linked data" or something like that. That positioning would make me more interested than current "let's reboot" call-to-action.
Yup, it's still that RDF. Inevitably, it had to be converted to new JSON-like syntaxes.
It reminds me of the "is-a" predicate era of AI. That turned out to be not too useful for formal reasoning about the real world. As as a representation for SQL database output going into a LLM, though, it might go somewhere. Maybe.
Probably because the output of an SQL query is positional, and LLMs suck at positional representations.