W3C RDF 1.1 Primer: Fundamentals of the Resource Description Framework

LinkGuus Schreiber, Yves RaimondResource

The W3C RDF 1.1 Primer provides an introduction to the Resource Description Framework (RDF). RDF offers a standard data model to express and exchange machine-readable information about resources across applications, enabling Linked Data on the Web.

Key points

  1. RDF models statements as triples consisting of subject, predicate, and object, forming a directed graph.
  2. Resources are identified using IRIs (International Resource Identifiers), which can appear in all three triple positions.
  3. Literals denote basic values such as strings, numbers, or dates, support data types and language tags, and are restricted to the object position.
  4. Connecting triples through shared subjects or objects allows graph traversal and querying via SPARQL.
  5. RDF abstract syntax can be serialized in several formats, including Turtle, TriG, JSON-LD, RDFa, N-Triples, N-Quads, and RDF/XML.

Why it matters

RDF serves as the foundational standard for the Semantic Web, Linked Data, and structured web metadata (such as schema.org). It enables seamless, loss-free data exchange and querying across independent databases and applications.

Analysis

Published as an informative W3C Working Group Note, this primer bridges foundational theory and implementation. By decoupling abstract graph semantics from serializations such as JSON-LD and Turtle, RDF provides an interoperable framework for interlinking disparate datasets and APIs.

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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