We are sorry to say that GraniteNights is no longer available, the hassle of maintaining it and keeping it running was too much and all the data was now outdated. Thanks for visiting GraniteNights in the past!
This is the presentation that was given at CIA2003:
At our local away day we had several presentations about GraniteNights, you can find the slides here:
Our competition entry uses a number of ontologies:
(tarball) See also the QueryByExample pages and the Javadocs