This early article describes the RDF Data Model in its simplest form. Provides introduction, background information, and presents simple RDF syntax. MUCH has happened since this article has been published – observing the evolution of a key Semantic Web standard would likely be this resource's primary use.
Keywords: Graph model, eXtensible Markup Language (XML), HTTP URIs, Triple
Author: Miller, Eric
Publisher: D-Lib Magazine
Date created: 1998-05-01 04:00:00.000
Time required: P15M
Educational use: instruction
Educational audience: generalPublic
Interactivity type: expositive
- Differentiates hierarchical document models (eg, XML) and graph models (RDF).
- Grasps essential differences between schemas for syntactic validation (e.g., XML) and for inferencing (RDF Schema).
- Knows the subject-predicate-object component structure of a triple.
- Understands how a namespace, informally used in the RDF context for a namespace URI or RDF vocabulary, fundamentally differs from the namespace of data attributes and functions (methods) defined for a
- Understands that URIs and literals denote things in the world ("resources") real, imagined, or conceptual.
- Understands the RDF abstract data model as a directed labeled graph.