sparql
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Every now and then I use SPARQL queries to learn about a Linked Data source , to debug an RDF document such as a FOAF file or to demonstrate the usage of Web Data. Quite often I write the SPARQL queries from the scratch, I have some examples stored in some project folders along with the source code, or I might look-up stuff in Lee ‘s wonderful SPARQL By Example slide set.
Towards Web-based SPARQL query management and execution « Web of
SPARQL + pubsubhubbub = sparqlPuSH | Alexandre Passant
Practically, this means that you can be notified in real-time of any change happening in a SPARQL endpoint. The following video describes how the approach works as well as shows a related use-case and you can download its source at http://code.google.com/p/sparqlpush/ .