Go through the benchmark query plans and try to spot optimization approaches that lead to performance speedups.
- Subtask 1: identify opportunities in the light of the join order optimization strategies and derive requirements to an ASTJoinGroup- & ASTStaticJoinOptimizer rewrite
- Subtask 2: more general review of query evaluation plans
- BLZG-415: BSBM Q5 performance optimization
- Public BSBM results: http://wifo5-03.informatik.uni-mannheim.de/bizer/berlinsparqlbenchmark/results/V7/index.html