Wikipedia Category Hierarchy via N-triples

For a current project I needed to obtain a hierarchical representation of Wikipedia categories. (which can be explored here). Pierre Lindenbaum provided some useful pointers on using the Mediawiki API. However, this was a little unweildy. Instead, I ┬ácame across the DBpedia downloads. More specifically, the SKOS categories files provide the links between categories using […]

ChEMBL in RDF and Other Musings

Earlier today, Egon announced the release of an RDF version of ChEMBL, hosted at Uppsala. A nice feature of this setup is that one can play around with the data via SPARQL queries as well as explore the classes and properties that the Uppsala folks have implemented. Having fiddled with SPARQL on and off, it […]