W3C-LINKED-DATA-PLATFORM

W3C LDP Linked Data Platform CRUD HTTP API.

Définition

LDP concepts : (1) LDP Resource (LDPR) : ressource RDF representee via HTTP Content-Type application/rdf+xml / text/turtle / application/ld+json / application/n-triples ; CRUD via HTTP GET (retrieve), PUT (update), DELETE. (2) LDP Container (LDPC) : ressource speciale qui maintient membership relationships avec ses LDP-Resources contained ; sous-types : Basic Container (members ldp:contains), Direct Container (relationship type + membership constant subject), Indirect Container (advanced). (3) LDP Non-RDF Source (LDP-NR) : binary resources (images, PDFs) hosted in LDP container. Verbs HTTP : POST sur container creates new resource, GET retrieves, PATCH updates partially via SPARQL Update query, etag-based optimistic concurrency control, ldp:member ldp:contains predicates auto-managed. Adoption : Solid project (Inrupt company Tim Berners-Lee), some academic Linked Data publishers, IBM Concert (deprecated), Fedora Commons digital repository, Apache Marmotta (defunct).

Origine

W3C Linked Data Platform Working Group 2012 ; LDP 1.0 W3C Recommendation 26 fevrier 2015 ; WG ferme 2015.

Exemple en contexte

Solid Pod (Tim Berners-Lee Solid project) hosts user's personal data : LDP container /alice/photos/ contains LDP-Resources individual photos (Turtle metadata + JPG binary LDP-NR), Solid apps CRUD via HTTP GET/POST/PATCH ; alice grants permissions specific apps via WAC ACLs.

Termes liés

• W3C JSON-LD 1.1 — format possible.