RDF - Semantic Web Standards
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From Semantic Web Standards
Publication date: 2014-02-25 (with a previous version published at: 2004-02-10)
Created by:
RDF Working Group
List of documents at:
Resource Description Framework (RDF)
Overview
RDF is a standard model for data interchange on the Web. RDF has features that facilitate data merging even if the underlying schemas differ, and it specifically supports the evolution of schemas over time without requiring all the data consumers to be changed.
RDF extends the linking structure of the Web to use URIs to name the relationship between things as well as the two ends of the link (this is usually referred to as a “triple”). Using this simple model, it allows structured and semi-structured data to be mixed, exposed, and shared across different applications.
This linking structure forms a directed, labeled graph, where the edges represent the named link between two resources, represented by the graph nodes. This
graph view
is the easiest possible mental model for RDF and is often used in easy-to-understand visual explanations.
Recommended Reading
The RDF 1.1 specification consists of a
suite of W3C Recommendations
and Working Group Notes, published in 2014. This suite also includes an
RDF Primer
. See also Tim Berners-Lee’s writings on
Web Design Issues
, including
Metadata Architecture
. Other technologies, like
OWL
or
SKOS
, build on RDF and provide language for defining structured, Web-based ontologies which enable richer integration and interoperability of data among descriptive communities.
A number of textbooks have been published on RDF and on Semantic Web in general. Please, refer to a
separate page
listing some of those, as maintained by the community. That list also includes references to conference proceedings and article collections that might be of general interest.
Discussions on a possible next version of RDF
W3C has recently set up a new
RDF Working Group
, whose charter is to make a minor revision of RDF.
Tools that are listed as relevant to RDF
(Note that you can browse tools per
tool categories
or
programming languages
, too.)
Last modified and/or added
The description of the following tools have been added and/or modified most recently.
RDFLib
(last modified: 23 September 2023)
Ontopic Studio
(last modified: 23 June 2022)
Ontop
(last modified: 23 June 2022)
XMP (ISO 16684)
(last modified: 16 June 2022)
Cowl
(last modified: 3 May 2022)
All relevant tools
This is a list of all tools listed on this wiki, and that are marked as relevant to RDF.
4store
(triple store).
outdated-ARC RDF Store
(triple store). Directly usable from PHP
AllegroGraph RDF Store
(programming environment, reasoner, triple store, development environment, rdfs reasoner). Directly usable from Java, LISP, Python, Prolog, C, Ruby, Perl
Apache Jena
(programming environment, reasoner, triple store, rdfs reasoner, rule reasoner, owl reasoner, parser). Directly usable from Java
Cowl
(programming environment, parser). Directly usable from C, C++
Dojo.data
(programming environment, triple store). Directly usable from Javascript
EasyRdf
(programming environment). Directly usable from PHP
FOAF-o-matic
(rdf generator).
FRED
(rdf generator, tagging, knowledge graph extractor).
Mobi
(programming environment, development environment). Directly usable from Java, Javascript
Mulgara Semantic Store
(triple store). Directly usable from Java
OntoStudio
(editor, development environment).
Ontop
(reasoner, rdfs reasoner, owl reasoner, rdf generator, sparql endpoint, rdb2rdf, converter). Directly usable from Java
Ontopic Studio
(reasoner, rdfs reasoner, owl reasoner, rdf generator, sparql endpoint, rdb2rdf, converter).
OpenLink Virtuoso
(reasoner, triple store, rdfs reasoner, owl reasoner, rdf generator, sparql endpoint, rdb2rdf). Directly usable from Java, Python, C, Ruby, Perl, PHP, Javascript, C++, ActionScript, Tcl, Obj-C
Oracle Spatial and Graph 19c
(reasoner, triple store, owl reasoner). Directly usable from Java
RDFLib
(programming environment, triple store). Directly usable from Python
RDFox
(reasoner, triple store, rdfs reasoner, rule reasoner, owl reasoner). Directly usable from Java, C++
Redland RDF Application Framework
(programming environment). Directly usable from Java, Python, C, Ruby, Perl, PHP, Tcl, Obj-C, C-sharp
Altova's SemanticWorks
(editor, development environment).
Sesame
(programming environment, reasoner, triple store, rdfs reasoner, parser). Directly usable from Java, Python, PHP
Spyder
(sparql endpoint, rdb2rdf).
Talis Platform
(triple store, sparql endpoint).
Experiment Design Automation (XDA)
(development environment).
XMP (ISO 16684)
(editor, development environment).
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Description
RDF is a standard model for data interchange on the Web.
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February 25, 2014