RDFGraphKernel k = new RDFWLSubTreeKernelString(6,3, false, true);
System.out.println("RDF WL String: " + frac);
tic = System.currentTimeMillis();
k.compute(dataset, instances, blackList);
toc = System.currentTimeMillis();
double[] comp = {toc-tic};
Result res = new Result(comp, "comp time");
resTable.addResult(res);
}