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Topic: RDF


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In the News (Fri 25 Jul 08)

  
  RDF   (Site not responding. Last check: 2007-11-06)
RDF (Resource Description Framework) is a World Wide Web Consortium (W3C) standard for describing metadata (primarily) in XML.
RDF has a few reserved properties to enable you to name a specific declaration (assertion) that a particular resource has a particular property.
RDF can provide a level of indirection between the application and data, as its general graph structure can represent all kinds of data, such as relational (SQL) or hierarchical (directories, XML).
rx4rdf.liminalzone.org /RDF   (437 words)

  
 RDF Site Summary (RSS) 1.0
RDF allows for representation of rich metadata relationships beyond what is possible with earlier flat-structured RSS.
The existing RDF base in RSS 0.9 was the reason for choosing to build on the earlier version of RSS; attempting to re-introduce RDF into RSS version 0.91 proved a "putting the toothpaste back into the tube" proposition.
The opening RDF tag assocaties the rdf: namespace prefix with the RDF syntax schema and establishes the RSS 1.0 schema as the default namespace for the document.
web.resource.org /rss/1.0/spec   (3025 words)

  
 Guidance on expressing the Dublin Core within the Resource Description Framework (RDF)
RDF is an attempt to empower effective creation, exchange and use of metadata on the World Wide Web, and therefore addresses many of the same issues as the Dublin Core.
However, the basic RDF syntax utilised in the examples throughout this paper is not suitable for embedding in HTML documents, due to the inconsistent manner in which it is treated by the current generation of web browsing software, and a special abbreviated syntax [RDF-ABBREV] must be used instead.
The RDF instance of this declaration can be found in Appendix 2, although users and developers should always refer to the Namespace itself for the most definitive version.
www.ukoln.ac.uk /metadata/resources/dc/datamodel/WD-dc-rdf   (8138 words)

  
 XML.com: What is RDF?
RDF is built for the Web, but let's leave the Web behind for now and think about how we find things in the real world.
RDF is an effort to identify these common threads and provide a way for Web architects to use them to provide useful Web metadata without divine intervention.
RDF makes it possible to use multiple pieces of software to process the same metadata, and to use a single piece of software to process (at least in part) many different metadata vocabularies.
www.xml.com /lpt/a/2001/01/24/rdf.html   (2623 words)

  
 RDF - ESW Wiki
RDF is a standard - Being a "standard" means that lots of people have thought about it, and lots of people are making things with it.
RDF data can overlap - RDF is designed so that if some data presents an incomplete picture, you can amend it from afar (see "NetworkedData.") Say there's a public database of baseball players, but for some reason it's missing their batting averages.
RDF is an essential ingredient to the SemanticWeb.
esw.w3.org /topic/RDF   (295 words)

  
 RDF - Internetnews.com - Webopedia.com
RDF is a general framework for describing a Web site's metadata, or the information about the information on the site.
RDF details information such as a site's sitemap, the dates of when updates were made, keywords that search engines look for and the Web page's intellectual property rights.
RDF relies on XML as an interchange syntax, creating an ontology system for the exchange of information on the Web.
inews.webopedia.com /TERM/R/RDF.html   (181 words)

  
 SWI-Prolog RDF parser
RDF (Resource Description Format) is a W3C standard for expressing meta-data about web-resources.
RDF documents are normally transferred as XML documents using the RDF-XML syntax.
RDF is a promising standard for representing meta-data about documents on the web as well as exchanging frame-based data (e.g.
www.swi-prolog.org /packages/rdf2pl.html   (1311 words)

  
 Practical RDF   (Site not responding. Last check: 2007-11-06)
RDF is essentially a relational model, although not in the classic RDBMS sense.
In the morning, delegates will be introduced to the more commonly occurring elements of the RDF specification: RDF classes and properties, the concept of triples, URIs and blank nodes, namespaces, containers and collections, and a brief look at some of the more common vocabularies.
The focus of the interview was Danny’s steadfast work with XML, RDF, Atom, and his new book, Beginning RSS and Atom (an excellent book, by the way, and rich with detail and Lotsa Code).
rdf.burningbird.net   (2199 words)

  
 Cover Pages: Resource Description Framework (RDF)
RDF and XML are complementary: RDF is a model of metadata and only addresses by reference many of the encoding issues that transportation and file storage require (such as internationalization, character sets, etc.).
RDF and XML are complementary: RDF is a model of metadata, and only superficially addresses many of the encoding issues that transportation and file storage require (such as internationalization, character sets, etc.).
RDF is primarily for describing resources and their relations, while XLink is primarily for specifying and traversing hyperlinks.
xml.coverpages.org /rdf.html   (17025 words)

  
 Dave Beckett's Resource Description Framework (RDF) Resource Guide
An Axiomatic Semantics for RDF, RDF Schema, and DAML+OIL by Richard Fikes and Deborah L. McGuinness.
RDF Standard Terms - attempt to re-state and define schemas of RDF and RDF Schema in a combined form, Dan Connolly, 13 August 2000.
RDF Representation of Wordnet on SemanticWeb.org by Stefan Decker and Sergey Melnik.
planetrdf.com /guide   (10463 words)

  
 resource description framework
RDF dumps of the Open Directory can be found in /mozilla/rdf/opendir/ area.
The RDF home page is the best place to track the latest developments and get involved with discussions about future RDF and 'semantic web' standards.
As background on RDF Query this you might also look at some proposals for RDF Query that were made at the Query Languages for the Web workshop.
www.mozilla.org /rdf/doc   (1079 words)

  
 RDF Forms   (Site not responding. Last check: 2007-11-06)
The Semantic Web is currently missing two key features of the hypermedia application model which are prevalent on the browser based Web; the ability to declare the intent of a resource to receive data for processing, and the ability to use data as arguments in the client-side construction of a URI.
This statement is one way that an RDF Forms enabled agent can infer that the "order-processor" resource accepts data (though it may also be done implicitly, as well as via vocabulary specific means, though that defeats much of the benefit of RDF Forms).
Thanks to Aaron Swartz for his RDF Schema help, Jan Algermissen for his useful feedback and design for application/x-www-form-urlencoded support, Phil Dawes for the identification of the shortName scoping problem (and its resolution), and to Dave Beckett for his review and feedback.
www.markbaker.ca /2003/05/RDF-Forms   (1160 words)

  
 UKOLN Metadata Resources - RDF   (Site not responding. Last check: 2007-11-06)
RDF - the Resource Description Framework - is a foundation for processing metadata; it provides interoperability between applications that exchange machine-understandable information on the Web.
RDF with digital signatures will be key to building the "Web of Trust" for electronic commerce, collaboration, and other applications.
A draft set theory definition of the RDF level 0 and level 1 specification.
www.ukoln.ac.uk /metadata/resources/rdf   (218 words)

  
 Open Directory RDF Dump   (Site not responding. Last check: 2007-11-06)
RDF dumps of the Open Directory database are available for download.
Changes to the format of the RDF files are documented here.
thumbshots.org provides thumbnail snapshots of sites in the ODP's RDF dump, for use under a similar license.
rdf.dmoz.org   (252 words)

  
 BUBL LINK: Rdf
Article describing RDF, an application of XML, that enables the encoding, exchange and reuse of structured metadata.
It is designed to help both libraries and OCLC to move more quickly in coping with the huge amount of material available on the Web and to provide access to this material that can be integrated with access to their current resources.
Introduces a model and grammar for representing RDF metadata and syntax, using XML, for encoding and transporting metadata, maximising the interoperability of independently developed Web servers and clients.
bubl.ac.uk /link/r/rdf.htm   (219 words)

  
 RDF - FutureWeb?   (Site not responding. Last check: 2007-11-06)
Although there isn't yet a book "RDF for Dummies" it is possible to sense the promise the "keepers of the Web" at the World Wide Web Consortium find in what's going on here.
Thomas Baker's treatment of RDF and Dublin Core as language and Tim Bray's clear exposition should see you through.
When materials are published on the Web, be they documents, diagrams, images, programs (in fact anything postable!) there will be available via RDF processes a way to find out which have been designed using device independent authoring practices - the rest will be mere Spam, if that is your wish.
rdf.pair.com   (888 words)

  
 RDF Tutorial
RDF is a framework for describing Web resources, such as the title, author, modification date, content, and copyright information of a Web page.
RDF containers are used to describe group of things.
RDF collections are used to describe groups that contains ONLY the specified members.
www.w3schools.com /rdf   (255 words)

  
 Planet RDF
It is made by the chumpologica aggregator using RDF technology, with the Redland toolkit.
I believe that one of the best ways to transition into RDF, if not a long-term deployment strategy for RDF, is to manage the information in human-consumable form (XHTML) annotated with just enough info to extract the RDF statements that the human info is intended to convey.
In other words: using a relational database or some sort of native RDF data store, and spitting out HTML dynamically, is a lot of infrastructure to operate and probably not worth it for lots of interesting cases.
planet.rdfhack.com   (3654 words)

  
 The RDF group   (Site not responding. Last check: 2007-11-06)
RDF uses an innovative and flexible approach, delivering added-value services to make IT work harder for your business.
RDF gives you the people, the services, the skills, the training and the products to improve your efficiency, reduce your costs and enable you to deliver the solutions you need to achieve your business goals.
Reduce the time, cost and risk of changing jobs or recruiting permanent or contract staff, in technical or managerial fields, by leveraging our vast network of highly-qualified IT professionals and client relationships.
www.rdf-consulting.co.uk   (226 words)

  
 RDF API Draft
This is a draft of an RDF API provided for a public discussion.
See "Briding the Gap between RDF and XML" and "Simplified Syntax for RDF" for more details.
All vocabulary classes (RDF, RDFS, DC etc) included in the distribution were generated using this utility.
www-db.stanford.edu /~melnik/rdf/api.html   (861 words)

  
 [No title]
Entries are declared using RDF Schema language to support RDF applications.
Typically, a Title will be a name by which the resource is formally known.
If the Rights element is absent, no assumptions can be made about the status of these and other rights with respect to the resource.
dublincore.org /2003/03/24/dces#   (741 words)

  
 Planet RDF
Focus is on practical stuff, in particular Portable Data.
In addition to being on a panel at SxSW next year, I'm also giving a full day tutorial on RDF at XML 2005 on November 18th.
See also: We need hAtom, Half-hearted Gopher NG, microformats, opml
planetrdf.com   (3654 words)

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