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JSON-LD is designed around the concept of a "context" to provide additional mappings from JSON to an RDF model. The context links object properties in a JSON document to concepts in an ontology. In order to map the JSON-LD syntax to RDF, JSON-LD allows values to be coerced to a specified type or to be tagged with a language.
JSON: No Smile Format Specification: Yes No Yes Partial (JSON Schema Proposal, other JSON schemas/IDLs) Partial (via JSON APIs implemented with Smile backend, on Jackson, Python) — SOAP: W3C: XML: Yes W3C Recommendations: SOAP/1.1 SOAP/1.2: Partial (Efficient XML Interchange, Binary XML, Fast Infoset, MTOM, XSD base64 data) Yes Built-in id ...
Schema.org is a reference website that publishes documentation and guidelines for using structured data mark-up on web-pages (called microdata).Its main objective is to standardize HTML tags to be used by webmasters for creating rich results (displayed as visual data or infographic tables on search engine results) about a certain topic of interest. [2]
Example of a Thing Description object. Below is an example TD serialized in JSON-LD format, which has one property, one action and one event. The IoT device represented by this TD uses the HTTP protocol but a TD can represent any protocol with a URI scheme, as shown in the example below.
The CP/LD format defines a flexible, extensible, machine readable format that links HTML5 documents with content to JSON-LD graphs for the data and semantics. [1]The Linked Document part of the standard outlines the minimal characteristics of documents, whereas the Content Profile part describes how to extend and refine rules for specific use cases.
(Turtle examples are also valid Notation3). The example encodes an RDF graph made of four triples, which express these facts: The W3C technical report on RDF syntax and grammar has the title RDF/XML Syntax Specification (Revised). That report's editor is a certain individual, who in turn Has full name Dave Beckett. Has a home page at a certain ...
RDF - graph based data model standardized by W3C, includes 7 standard serializations, N-Triples, N-Quads, Turtle, TriG, RDF/XML, JSON-LD and RDFa; RSS – syndication; SDXF – the Structured Data eXchange Format; SFV – checksum format; Thing Description – file format for W3C Web of Things data models; TrueCrypt – discontinued container ...
Linked Data Notifications (LDN) [3] is a W3C Recommendation that describes a communications protocol based on HTTP, URI, and RDF on how servers (receivers) can receive messages pushed to them by applications (senders), as well as how other applications (consumers) may retrieve those messages.