État de l'activité « web sémantique » au W3C

SemWeb.Pro 2023-11-14

Pierre-Antoine Champin

Pierre-Antoine Champin

W3C

Bilan de l'année écoulée

Web of Things WG

Dataset Exchange WG

RDF Dataset Canonicalization and Hash (RCH) WG

Forme canonique (1)

PREFIX : <http://schema.org/>

[] a :Person ;
   :name "alice" ;
   :knows [
      a :Person ;
      :name "charlie" ;
   ] ;
.
PREFIX s: <http://schema.org/>

_:a a s:Person ;
  s:name "alice" .

_:b a s:Person ;
  s:name "charlie".

_:a s:knows _:b.

Forme canonique (2)

{
  "@context": "https://schema.org/",
  "type": "Person",
  "name": "alice",
  "knows": {
    "type": "Person",
    "name": "charlie"
  }
}
<Person xmlns="http://schema.org/">
  <name>alice</name>
  <knows>
  <Person>
    <name>charlie</name>
  </Person>
  </knows>
</Person>
 

RDFC 1.0 →
_:c14n0 <http://schema.org/name> "charlie" .
_:c14n0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
_:c14n1 <http://schema.org/knows> _:c14n0 .
_:c14n1 <http://schema.org/name> "alice" .
_:c14n1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
SHA256 → ea9e7d35887275da33b8646512dfece8b319edd01ba9025f2c818de9f975ede2

Verifiable Credentials WG

A credential is a set of one or more claims made by the same entity.

Basic components of a verifiable credential  Information graphs associated with a basic verifiable credential

Source

Verifiable Credentials WG

RDF-star WG

RDF: :alice :workingFor :acme. RDF-star: :alice :workingFor :acme {| since 2019 |}.

RDF-star WG

list of the 18 REC-track deliverables of the RDF-star WG

Spatial Data on the Web WG

Dataset Exchange WG

Community Groups

Merci de votre attention