On 25/03/2021 17:59, Amirouche wrote: > On 2021-03-24 10:20, Pierre-Antoine Champin wrote: >> Dear Semantic Web community, >> >> as you may already know, an informal "task force" has been created in >> the RDF-DEV Community group [1], in order to produce a specification >> document for RDF-star (née RDF*) [2]. RDF-star extends RDF with >> native support for talking about RDF statements (as an alternative to >> standard reification), and already has a number of implementations. > > [...] > >> >> Thanks in advance for your feedback. >> > > If I understand correctly RDF* aims to make it possible to describe, > and query facts about existing tuples. Depends what you mean by "existing"... RDF-star allows you describe any triple, whether they are present (asserted) in your graph or not. > And can do that without > explicitly storing an intermediate representation of the target tuple. Correct. > It seems to me trivial to implement with a generic tuple store database > such as nstore. The exposed tuple store where n=m, then the implementation > will require m+1 tuple items where the extra tuple item is the hash > of the other items. Our goal is not to define how to implement RDF-star, but more to give it a theoretical foundation (i.e. abstract syntax, concrete syntax and semantics). best > > In practice, it would mean that every exposed tuple will be content > addressable. > > What I am missing? > >> pa >> >> [1] https://www.w3.org/community/rdf-dev/ >> >> [2] https://w3c.github.io/rdf-star/cg-spec/ >> >> [3] http://www.w3.org/1999/02/22-rdf-syntax-ns# >> >> [4] http://www.w3.org/TR/rdf-plain-literal/ >> >> [5] https://www.w3.org/TR/json-ld11/ >> >> [6] https://w3c.github.io/rdf-star/Minutes/2021-03-12.html#t04 >Received on Friday, 26 March 2021 08:33:03 UTC
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