The Web Semantic

(this post deals with features provided jenabean 1.0.1, available from the project site.  You’ll also need Jena, HP’s semenatic web framework.)

In my last post we looked at reading SIOC directly off the web. The other side of the coin is producing syntactically valid SIOC statements from java. You may want to create RDF for another consumer or perhaps you want to persist the SIOC statements directly into a Jena model. Either way, if you use the direct approach of coding to Jena’s RDF api, you’ll be writing quite a few lines of code. This task can be made simpler using Jenabean’s “Thing” utility along with a specialized interface to the Sioc vocabulary.  We’ll be looking at this simple example, which duplicates the primary RDF example givin in the SIOC specification document. » Read the rest of this entry «

Back in January an interesting discussion started on the semantic web interest group regarding a possible schism between OWL focused tools and RDF focused tools.   What isn’t mentioned, but is obvious in reading the new OWL2 specs is that RDF isn’t nearly as prominant as it was in OWL1.  Specifically, the first OWL specification was written with all it’s examples in RDF/XML.  OWL2 introduces 3 new representation formats, machester, owl2xml, and owl functional.  That’s in addition to the existing represenation formats (n3, turtle, RDF/XML), and there is a tremendous amount of complexity and details in just understanding the set pre- owl2.  (if you don’t believe me see  this blog post on the details)

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