Personal Knowledge Graph (PKG) Vocabulary

The vocabulary is published at is namespace http://w3id.org/pkg/ .

The sources are available at https://github.com/iai-group/pkg-vocabulary .

The PKG Vocabulary is defined by a set of SHACL shapes patterns definition over largely well-established vocabularies:

• Statements are represented by RDF's reification vocabulary (https://www.w3.org/TR/rdf11-schema/#ch_reificationvocab)
• with additional provenance, authoring and versioning data (using the PAV ontology (https://pav-ontology.github.io/pav/)),
• and the possibility of assigning preferences to statements (using the Weighting Ontology and The Weighted Interests Vocabulary (http://purl.org/ontology/wo/core , http://purl.org/ontology/wi/core)).
• Complex values are recommended expressed using SKOS' (http://www.w3.org/2004/02/skos/core) Concepts following the pkg:ConceptShape pattern.

• http://w3id.org/pkg/0.1.0/