Visual SPARQL query tools

Quick links – thinking about tools that allow graphical SPARQL query authoring… OpenLink Virtuoso: InteractiveSparqlQueryBuilder (in HTML/CSS/.js). Pictured below; extensive documentation and screenshots linked from their main page. …an ancestor of which was Damian Steer’s RDFAuthor tool for MacOSX, which could generate Squish (a SPARQL precursor) and query services over the ‘array of hashtables’ SOAP-for-rdf-query […]

JQbus: social graph query with XMPP/SPARQL

Righto, it’s about time I wrote this one up. One of my last deeds at W3C before leaving at the end of 2005, was to begin the specification of an XMPP binding of the SPARQL querying protocol. For the acronym averse, a quick recap. XMPP is the name the IETF give to the Jabber messaging […]

Embedding queries in RDF – FOAF Group example

Is this crazy or useful? Am not sure yet. This example uses FOAF vocabulary for groups and openid. So the basic structure here is that Agents (including persons) can have an :openid and can be a :member of a :Group. From an openid-augmented WordPress, we get a list of all the openids my blog knows […]