Suggested Extensions to the BSBM VLDB Semdata Workshop Virtuoso Directions for 2011 Benchmarks, Redux (part 3): Virtuoso 7 vs 6 on BSBM Load and Explore Benchmarks, Redux (part 4): Benchmark Tuning Questionnaire Benchmarks, Redux (part 8): BSBM Explore and Update Benchmarks, Redux (part 11): On the Substance of RDF Benchmarks Benchmarks, Redux (part 14): BSBM BI Mix RDF and Transactions Transaction Semantics in RDF and Relational Models