What steps will reproduce the problem?
1. update to latest mercurial tip
2. try to create a model from http://sebastian.dietzold.de/rdf/foaf.rdf

What is the expected output?
- the new knowledge base

What do you see instead?
- Error importing knowledge base: Graph
'<http://sebastian.dietzold.de/rdf/foaf.rdf>' could not be imported:
Something went wrong with the query cache: Invalid bind-variable name
':sebastian'

tested on zend and virtuoso