existing contexts

• Schema.org
• http://schema.org (needs content negotiation)
• Hydra
• http://www.w3.org/ns/hydra/core
• LDP
• work in progress
• ActivityStreams 2.0
• activitystreams.jsonld
• actions.jsonld
• vCard Ontology
• http://www.w3.org/2006/vcard/ns (needs content negotiation)
• FOAF
• http://xmlns.com/foaf/context
• GeoJSON-LD
• https://github.com/geojson/geojson-ld/tree/master/contexts
• IIIF Image API
• http://iiif.io/api/image/2/context.json
• IIIF Presentation API
• http://iiif.io/api/presentation/2/context.json
• RDFa Core Initial Context
• http://www.w3.org/2013/json-ld-context/rdfa11
• Web Payments
• multiple, see specs
• package.json
• Research Object Bundle
• https://w3id.org/bundle/context