November 11, 2009
We have just added a geometry data type and corresponding R-tree index to Virtuoso. This follows th...
October 27, 2009
The European Commission recently circulated a questionnaire to selected experts on what could be don...
September 1, 2009
"The universe of cycles is not exactly one of literal cycles, but rather one of spirals,&q...
Raghu Ramakrishnan of Yahoo! gave a keynote about PNUTS, the Yahoo solution for managing massive us...
Michael Stonebraker gave the keynote at the TPC workshop. His message was that the TPC, at the vene...
Intel on Hash Join
Intel and Oracle had measured hash and sort merge joins on Intel Core i7. The...
I was at the VLDB 2009 conference in Lyon, France. I will in the next few posts discuss some of the ...
These days, data provenance is a big topic across the board, ranging from the linked data web, to RD...
August 19, 2009
We have received some more questions about Virtuoso's parallel query evaluation model.
In answe...
August 14, 2009
We repeated the earlier LUBM 8000 experiment on a newer machine, with 2 x Xeon 5520 and 72G 1333MHz ...