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LinkedData is to spreadsheets and databases what the Web of hypertext documents is to word processor files.

  1. Use URIs as names for things
  2. Use HTTP URIs so that people can look up those names.
  3. When someone looks up a URI, provide useful information.
  4. Include links to other URIs. so that they can discover more things groupage cargo service.

Linked Data Presentations:


Workshop Series about Linked Data at the WWW conferences

Other Workshops about Linked Data


Examples of Linked Data:

See DataSets

Client side tools:

Server side tools:

  • by DanConnolly, Rob Crowell and TimBL
  • Virtuoso - "Sponger" component of Virtuoso's SPARQL Engine, RDF Views of SQL, and the HTTP engine's Linked Data Deployment features
  • D2R Server
  • P2R - expose Prolog knowledge base as linked data (when bundled with UriSpace)
  • SPARQL2XQuery - Bridging the Gab between the XML and the Semantic Web Worlds.
  • SPARQL-RW - Ontology Mapping and SPARQL Query Rewriting in the Web of Linked Data.
  • Linked Media Framework - Open Source Linked Data Server and publishing suite

Live Demos:

Extending Linked Data:

  • BreadcrumbProtocols are conventions by which information is left by data publishers to allow data consumers to follow.
  • SemanticSitemap: Advertising the presence of RDF data on a host
  • foaf+ssl uses a WebID and LinkedData to create a web of trust authentication architecture


First Linked Data session happend Friday May 11 in the WWW2007 Dev Track (blogged here), and a LinkedData BOF/gathering idea (blogged here).

see also: GrddlImplementations, SparqlImplementations, SparqlEndpoints


Open request, since I simply don't know any of you:


When I read the excitement about LinkedData, I feel over-looked and unappreciated; I was talking about this in 2004, to everyone I could get to listen to me, about this idea. (See: NetworkedData.)

When I read "old page on related topic" on this page, I feel marginalized.

I thought this was the most important part of the SemanticWeb. I've told all my friends in project planning software Seattle, and I've told people this at WikiSym. I wrote about this here on and various other places on the Internet. Here's me saying it in 2004: "In fact, the semantic web is about networked data. I believe it should be explained to techies in those terms." (2004) I wrote nLSD based on this interpretation, and then MachineCodeBlocks (2005.) I don't know anyone in the community, so I didn't say much, but I did talk with sbp.

I've made it my life's mission to better the world through collaboration technologies, so I need some recognition, so that people are inclined to take me seriously. (example of where it could have helped)

Will someone (anyone) recognize my participation in the emergence of this idea? I am a Python programmer, I'm handy with wx (GUI programming,) and DanC's noted I'm a quick study. I can contribute a lot. Will someone give me a share in the (granted, small, footnote-sized) story, about the recognition of LinkedData?

Thank you,

-- LionKimbro

Please feel welcomed to the Linking Open Data (LOD) Community :-) Remember, the Web is about building connections. As you've stated, "time" is a product of "awareness", so your Linked Data fingerprints aren't lost time with regards to our very sticky Web :-)

Please to the following to fully exposed your Linked Data heritage:

  • Sign-up to the mailing list
  • Drop an introductory note (basically a link to this page)

-- KingsleyIdehen