An introduction to the W3C's Resource Description Format, a standard for exchanging metadata, and a key technology for the W3C's Semantic Web .

Www-rdf-logic@w3.org Mail Archives (NEW) Search this list for Help! Overview The www-rdf-logic list provides a forum for technical discussion concerning the design of logic-based languages for use on the Web. Scope While W3C's existing work in this area has focussed on the XML, RDF and URI specifications, the www-rdf-logic forum is intended to facilitate discussion drawing upon a wide variety of ...

RDF Vocabulary Description Language 1.0: RDF Schema W3C Working Draft 30 April 2002 This Version: http://www.w3.org/TR/2002/WD-rdf-schema-20020430/ Latest Version: http://www.w3.org/TR/rdf-schema Previous Version: http://www.w3.org/TR/2000/CR-rdf-schema-20000327 Editors: Dan Brickley, W3C/ILRT danbri@w3.org R.V. Guha guha@guha.com Acknowledgments Copyright 2002 W3C ( MIT , INRIA , Keio), ...

RDF Validation Service Online Service Enter a URI or paste an RDF/XML document into the following text field and a 3-tuple (triple) representation of the corresponding data model as well as a graphical visualization of the data model will be displayed. xml version= 1.0 rdf:RDF xmlns:rdf= http://www.w3.org/1999/02/22-rdf-syntax-ns# xmlns:dc= http://purl.org/dc/elements/1.1/ ...

RDF Model Theory W3C Working Draft 29 April 2002 This version: http://www.w3.org/TR/2002/WD-rdf-mt-20020429/ Latest version: http://www.w3.org/TR/rdf-mt/ Previous version: http://www.w3.org/TR/2002/WD-rdf-mt-20020214/ Editor: Patrick Hayes, IHMC, University of West Florida phayes@ai.uwf.edu Copyright 2002 W3C ( MIT , INRIA , Keio), All Rights Reserved. W3C liability, trademark, document ...

RDF/XML Syntax Specification (Revised) W3C Working Draft 25 March 2002 This version: http://www.w3.org/TR/2002/WD-rdf-syntax-grammar-20020325 Latest version: http://www.w3.org/TR/rdf-syntax-grammar Previous version: http://www.w3.org/TR/2001/WD-rdf-syntax-grammar-20011218 Editor: Dave Beckett (University of Bristol) Copyright 2002 W3C ( MIT , INRIA , Keio), All Rights Reserved. W3C liability, ...

RDF Test Cases W3C Working Draft 29 April 2002 This Version: http://www.w3.org/TR/2002/WD-rdf-testcases-20020429 Latest Version: http://www.w3.org/TR/rdf-testcases Previous Version: http://www.w3.org/TR/2001/WD-rdf-testcases-20011115 Editors: Jan Grant, ILRT, University of Bristol jan.grant@bristol.ac.uk Dave Beckett, ILRT, University of Bristol dave.beckett@bristol.ac.uk Copyright 2002 W3C ...

Tim Berners-Lee Date: September 1998. Last modified: $Date: 1998/10/14 20:17:13 $ Status: An attempt to give a high-level plan of the architecture of the Semantic WWW. Editing status: Draft. Comments welcome Up to Design Issues Semantic Web Road map A road map for the future, an architectural plan untested by anything except thought experiments. This was written as part of a requested road map ...

The Semantic Web In Breadth by Aaron Swartz (with much assistance) Note: This piece speaks about the different parts of the Semantic Web and how they fit together. For a high-level interview, take a look at Sandro Hawke's The Semantic Web (Put Simply). On the other hand, if you're a Web developer who's interested in building Semantic Web Sites or Semantic Web Services, check out The Semantic Web ...

Web Architecture: Describing and Exchanging Data W3C Note 7 June 1999 Document id: http://www.w3.org/1999/04/WebData (will always return the latest version) This version: http://www.w3.org/1999/06/07-WebData Previous version (Member only): http://www.w3.org/1999/05/08-WebData Authors: Tim Berners-Lee timbl ...

Describing and retrieving photos using RDF and HTTP W3C Note 19 April 2002 This version: http://www.w3.org/TR/2002/NOTE-photo-rdf-20020419 Latest version: http://www.w3.org/TR/photo-rdf Previous version: http://www.w3.org/TR/2000/NOTE-photo-rdf-20000928 Authors: Yves Lafon, W3C, ylafon@w3.org Bert Bos, W3C, bert@w3.org Copyright 2002 W3C ( MIT , INRIA , Keio), All Rights Reserved. W3C ...

The Cambridge Communique W3C NOTE 7 October 1999 This version: http://www.w3.org/TR/1999/NOTE-schema-arch-19991007 Latest version: http://www.w3.org/TR/schema-arch Previous version: http://www.w3.org/1999/08/27-communique-19990920 Editors: Ralph R. Swick swick@w3.org Henry S. Thompson, ht@cogsci.ed.ac.uk Copyright 1999 W3C (MIT, INRIA, Keio), All Rights Reserved. W3C liability, trademark, ...

Status: Personal ramblings, unfinished in many places. Abandon requiements for consistency all ye who enter in.Created: 1999/06/18 This document was an attempt to build logical formulaue as closely as possible on top of the RDF triple abstract syntax. Another more recent investigation in this direction is Notation3. It investigates using XML for logic. In this document: Assumed Syntax Semantic ...

Not excited about metadata XML.com's technical editor Tim Bray thinks you should be and he explains why. He presents RDF, a spec that standardizes how to supply metadata on the Web.

The Semantic Web: An Introduction This document is designed as being a simple but comprehensive introductory publication for anybody trying to get into the Semantic Web: from beginners through to long time hackers. Recommended pre-reading: the Semantic Web in Breadth. Table Of Contents What Is The Semantic Web Simple Data Modelling: Schemata Ontologies, Inferences, and DAML The Power Of ...

Tim Berners-Lee Date: September 1998. Last modified: $Date: 1998/09/17 20:10:41 $ Status: . Editing status: Comments please. An parenthetical discussion to the Web Architecture at 50, 000 feet. and the Semantic Web roadmap. Up to Design Issues Parenthetically, so as not to disturb the flow of what a semantic web is, ...what it is not, and how other data models map into directed labelled graphs.

RDF Tutorial ...

Evolution of Web Data Formats by Dan Connolly Table of contents XML and the Evolution of Web Data Formats Overview Why the W3C XML Activity SGML on the Web XML for Interchange: Shared Development Costs XML for Interchange: Shared Communication Costs Timeline W3C depends on XML for... What about HTML HTML written in XML HTML extended in XML with Namespaces Structure beyond XML 1.0 DTDs When to ...

Perllib - the W3C Perl Code Library News | Purpose | Downloading | Latest updates | Documentation | Mailing list | Current Projects | Related Links | Legal | Authors Perllib is a bunch of CPAN-style modules that make up a lot of the W3C infrustrcuture and a few RDF tools. News, Updates, and Events June 27 2000: Started maintaining this page. I have a lot more to write up!. February 26 1999first ...

Tim Berners-Lee Date: September 1998. Last modified: $Date: 1998/10/14 20:17:13 $ Status: An attempt to explain the difference between the XML and RDF models. Editing status: Draft. Comments welcome! Up to Design Issues Why RDF model is different from the XML model This note is an attempt to answer the question, Why should I use RDF - why not just XML . This has been a question which has been ...

Storing RDF in a relational database This page summarizes some current approaches to storing RDF in a relational database. THIS IS A REQUEST FOR COMMENTS, so please do contribute your ideas (www-rdf-interest@w3.org)! To goal is to come up with the best way of storing RDF in a relational database, or identify a set of solutions that are suitable for particular needs. Motivation We need to be able ...

Intellidimension is a development company specializing in technologies that add intelligence to information.

Zope Corp | Search | Download | Docs | Resources | Development Search Guest Join Zope.org Log in Zope Mozilla Initiative Zope-Moz ZWiki Zope RDF Support Model/View Design NG Management Environment Zope-Mozilla Mailinglist ZopeMozilla CVS Zope Exits dev.zope.org CMF Dogbowl Zope Collector Zope CVS ZopeZen Zope Newbies Zope Labs EuroZope Zopera FreeZope NIP Free Zope Hosting RDF (Resource ...

Metadata for the Web RDF and the Dublin Core by Andy Powell, UK Office for Library and Information Networking, University of Bath UKOLUG, Manchester Conference Centre - July 1998 The full version of this paper is available as HTML. Click here to start slide presentation Table of Contents Metadata for the Web RDF and the Dublin Core Metadata applications Outline... What is RDF RDF - the model ...

Wilbur RDF Toolkit Wilbur is Nokia Research Center's toolkit for RDF and DAML (and XML), written in Common Lisp. News 2002-06-11: Allegro Common Lisp users should get the code from the tag LST-2002-06-11-SNAP in the CVS repository. (Informal instructions for UNIX and other command line CVS users are available.) 2001-08-02: Wilbur talk (paper & slides) at SWWS'01 is available 2001-07-18: Our ...

Managing the web: Chaos to Quality by Tim Berners-Lee Table of contents Chaos to Quality This talk 1. The dream History 2. World Wide Web Consortium Current Drivers 3. Technical Wishlist Architecture Under the hood User Interface: A Creative space Consistency Manipulating information Assertions Technology and Society The web needs IM Challenges of Universality Web lessons for IM Metadata: ...

A tool for visualization of RDF Schema ontologies ...

RDFStore Perl API for RDF Storage Version 0.42 is out!! Changes implemented new compact indexing model to allow boolean and free-text searches added rdf2n3p.pl utility to generate N-triples updated SiRPAC parser accordingly to some of the latest RDF Core WG decisions rdf-ns-prefix-confusion rdfms-abouteachprefix rdfms-empty-property-elements rdf-containers-formalmodel added PPM package for the ...

A Query and Inference Service for RDF Stefan Decker (University of Karlsruhe Stefan.Decker@aifb.uni-karlsruhe.de ), Dan Brickley (University of Bristol daniel.brickley@bristol.ac.uk ), Janne Saarela (World Wide Web Consortium jsaarela@w3.org ), Jurgen Angele (University of Karlsruhe jan@aifb.uni-karlsruhe.de ) Abstract The creation of RDF raises the prospect of a widely accepted standard ...

Query + Metadata + Logic = Metalog Massimo Marchiori, Janne Saarela {massimo, jsaarela}@w3.org The World Wide Web Consortium (W3C) The Resource Description Framework (RDF) Model&Syntax Specification describes a metadata infrastructure which can accommodate classification elements from different vocabularies i.e. schemas. The underlying model consists of a labeled directed acyclic graph which can ...

XML & Next Generatiob Web publishing by Tim Berners-Lee Table of contents XML and Next Generation Web Publishing Publish Keep the Web clean Why do people change URIs Publisher What is the web for 1. Communication between people Interoperability Evolvability Plan What else do we need 2. Machines helping Metadata Metadata: Machine understandable information A web of trust Why should I care ...

What is... RDF Rachel Heery explains RDF This article appears in the Web, and not the print version of Ariadne. What is RDF It's the Resource Description Framework. Does that help No RDF is the latest acronym to add to your list, one that is set to gain in significance in the future. At present though it is early days for RDF and little accessible information is available for the interested ...

Home | Contact | XML Center | Sablotron | Charlie | PerlRDF | Download | Library | News | Comments . PerlRDF . RDF parser, storage and query language current version: RDF::Core 0.16, RDF::Notation3 0.70 supported platforms: Perl . The PerlRDF project is an umbrella for Ginger Alliance activities in the field of RDF. It doesn't claim to be the only or the leading RDF ...

Using RDF to model multimedia content by Janne Saarela Table of contents Using RDF to model multimedia content Outline What we would like to have Content model Resource Description Framework Resource Description Framework RDF RDF schema Example RDF data model Example RDF/XML encoding Practical issues with RDF Example application: video summaries Relation with MPEG-7 Suggestion References Thank ...

ILRT: Metadata: rdf-dev see also: files | FAQ RDF Resource Guide The Resource Description Framework (RDF) is the W3C's new metadata architecture for the Web. RDF-DEV is a site devoted to the practical application of RDF. Although primarily targetted at developers, RDF-DEV focusses in particular on the application of RDF to Internet resource discovery issues. please note! - The RDF-DEV list is ...

CARA CARMEN RDF API CARA is an RDF API written in Perl, kindly hosted by SourceForge This software is developed within the CARMEN project. CARA is based on the graph model of RDF and supports in-memory and persistant storage of RDF graphs. An RDF Parser is included in the API. Overview Parser Demo Documentation Class diagram POD Docs SourceForge pages Project CVS Mailing Lists Download Contact: ...

Metadata for the Web RDF and the Dublin Core Andy Powell UK Office for Library and Information Networking University of Bath a.powell@ukoln.ac.uk Introduction Resource discovery, site-maps, Web collections, content rating, e-commerce and rights management, collaboration, privacy and Web-site management are all examples of Web applications that are based to a greater or lesser extent on metadata.

RDF Metadata and Agent Architectures Ora Lassila Nokia Research Center (and W3C*) 3 Burlington Woods Drive, Suite #260 Burlington, MA 01803 Abstract This paper introduces RDF, the Resource Description Framework, as an emerging standard for metadata on the World Wide Web. RDF, if accepted by the web community, can provide simple knowledge representation facilities for the web. We argue that ...

UKOLN RDF Seminar, Bath On the 8th May, following almost immediately after their MODELS 7 Workshop, UKOLN hosted a half day seminar entitled RDF: What is it all about Matthew Dovey reports. This article appears in the Web, and not the paper version of Ariadne. On the 8th May, following almost immediately after their MODELS 7 Workshop, UKOLN hosted a half-day seminar entitled RDF: What is it ...

A formulation of the RDF data model A set-theory model of 'layer 0' and 'layer 1' These pages contain a set theory model of the RDF level 0 and level 1 specification based on an interpretation of Resource Description Framework (RDF) Model and Syntax , W3C Working Draft 16 Feb 1998. These pages use mathematical symbols implemeted using the FONT FACE = SYMBOL element. In order to view the pages ...

Metadata at W3C by Ralph Swick & Eric Miller Table of contents Metadata at W3C Introduction Approved Recommendations PICS PICS Terminology PICS Vocabularies PICS Schemata PICS Important Features PICS Applications Current Work RDF RDF Goal ...