The ARQ test-set comes from the Jena   project.  It was downloaded using
CVS from

    :pserver:anonymous@jena.cvs.sourceforge.net:/cvsroot/jena

The test-suite-archive comes from the SPARQL   site,  downloaded on June
17, 2009.

    http://www.w3.org/2001/sw/DataAccess/tests/r2