Linking personal posted content across communities: "

With the help of Kingsley, Uldis and I have been looking at how SIOC can be used to link the content that a single person posts to a number of community sites. The picture below shows an example of stuff that I’ve created on Flickr, YouTube, etc. through my various user identities on those sites (these match some SIOC types that we want to add to a separate module). We can also say that each Web 2.0 content item is a user-contributed post, with some attached or embedded content (e.g. a file or maybe just some metadata). This is part of a new discussion on the sioc-dev mailing list, and we’d value your contributions.

20070228a.png

Edit: The inner layer is a person (semantically described in FOAF), the next layer is their user accounts (described in FOAF, SIOC) and the outer layer is the posted content - text, files, associated metadata - on community sites (again described using SIOC).

No Tags"

(Via John Breslin - Cloudlands.)

The point that John is making about the Data Web and Interlinked Data Spaces exposed via URIs (e.g Personal URIs), crystallizes a number of very important issues about the Data Web that may remain unclear. I am hoping that by digesting the post excerpt above, in conjunction with the items below, aids the pursuit of clarity and comprehension about the all important Data Web (Semantic Web - Layer 1):

  1. Your OpenID can be Your Personal URI (as noted by Henry Story's post about: The Many Uses of OpenID). That that's what I have courtesy of OpenLink Data Spaces (ODS)
  2. The above only works unobtrusively (i.e. OpenID and Personal sharing a URI) if Content Negotiation is exploited on the Client and Server sides.
  3. TimBL's call out to Share Your Data and Link to Other Data via URIs via post titled: Give Yourself a URI.
  4. W3C's Best Practice Recipes for Publishing RDF Vocabularies
  5. W3C's Architecture of the World Wide Web - Vol 1 which covers URI Dereferencing (HTTP GET-ing the data that a URI points to)
  6. Richard Cyganiak's post titled: Debugging Semantic Web Sites with Curl.

Examples of some of these principles in practice:

  1. Chris Bizer, Tobias Gaub, and Richard's Javascript based Semantic Web Client Library
  2. DISCO RDF Browser
  3. OpenLink Ajax Toolkit's (OAT) RDF Browser
  4. OpenLink Interactive SPARQL Query by Example (iSPARQL QBE)
  5. Dynamic Data Web Pages from my prior posts [1][2][3]
  6. dbpedia (Wikipedia as a Data Web oriented Data Source)
  7. And of course this blog post's permalink is a bona fide dereferencable URI.

And of course there is more to come such as Grandma's Semantic Web Browser which is coming from Zitgist LLC (pronounced: Zeitgeist) a joint venture of OpenLink Software and Frederick Giasson.