/**
* @return A description of the resource that allows interrogation of the data
*/
public ResourceDescription getResourceDescription() {
DataSource source = config.getDataSource();
Model model = source.describeResource(absoluteIRI);
if (model.isEmpty()) return null;
return new ResourceDescription(this, model,
source.getHighIndegreeProperties(absoluteIRI),
source.getHighOutdegreeProperties(absoluteIRI),
config);