Resource Description Framework [1] is basically a way to describes resources with (subject, verb, object) predicates, where subject is the resource being descri

Resource Description Framework [1] is basically a way to describes resources with (subject, verb, object) predicates, where subject is the resource being described and object is another resource related to the subject in a way verb defines (verb is not necessarily a grammatical verb/action, it's often a property name). There are several formats to represent these predicates (Turtle), database implementations, query languages (SPARQL), and there are ontologies, which are schemas, basically, defining/describing what how to describe resource in some domain. It's highly related to the semantic web vision of the early 2000s. If you don't know about it, it is worth taking a few minutes to study it. It sometimes surfaces and it's nice to understand what's going on, it can give good design ideas, and it's an important piece of computer history. It's also the quiet basis for many things, OpenGraph [3] metadata tags in HTML documents are basically RDF for instance. (TIL about RDFa [4] btw, I had always seen these meta tags as very RDF-like, for a good reason indeed). [1] https://en.wikipedia.org/wiki/Resource_Description_Framework https://en.wikipedia.org/wiki/Resource_Description_Framework [2] https://en.wikipedia.org/wiki/Semantic_Web https://en.wikipedia.org/wiki/Semantic_Web [3] https://ogp.me/ https://ogp.me/ [4] https://en.wikipedia.org/wiki/RDFa https://en.wikipedia.org/wiki/RDFa