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Representing lists in RDF

Thu, 2010-02-18 00:46 | by saml

I was wondering how to express lists in RDF. Here is the answer, in RDF/N3 (there's a nice shorthand version available in N3).

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RDF in Drupal Screenshot

Mon, 2010-02-15 22:39 | by saml

As work has now started on getting bioclipse.net on Drupal (more on that in a while), it's good to know that Drupal is in to semantic web.

I was wondering what it looks like (since I have not had time to play with it), and to me, this screenshot was clarifying, showing how you can map fields (core fields, or your own custom ones) to rdf types (In drupal you can create both custom fields, and custom content types, which contain many fields).

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Converting RDF predicates to Prolog convenience methods with RegEx

Thu, 2009-11-12 13:14 | by saml

Using SWI-Prolog's semweb package, I had extracted all predicates in a RDF source, containing some 1 million triples, into the following list:

Nice intro to RDF in Prolog (by Pellet author)

Wed, 2009-11-04 11:00 | by saml

I found a nice introduction to the use of RDF in Prolog (SWI-Prolog). It contains short primers for both RDF and Prolog, so it should be accessible to anyone with a minimal programming background:

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Pondering over strategies for evaluating BLIPKIT vs Pellet for use with NMRShift data

Tue, 2009-11-03 10:48 | by saml

As a subproject, I'm now focusing on doing some comparison between reasoning in Prolog and Pellet, using example data from NMRShiftDB.org. Below I'm documenting my planning, + any new findings while I'm digging in to this subpeoject.

Semantic web technologies contrasted in a few sentences

Thu, 2009-10-01 14:19 | by saml

I finally found a summary that contrasts RDF, RDF Schema, OWL, and rule languages (SWRL in this case) in a few sentences:

http://syntheticbiology.org/Semantic_web_ontology/Semantic_Web.html