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November 11, 2009
12:17 RDF Geography With Virtuoso
We have just added a geometry data type and corresponding R-tree index to Virtuoso. This follows th...
October 27, 2009
13:29 European Commission and the Data Overflow
The European Commission recently circulated a questionnaire to selected experts on what could be don...
September 1, 2009
12:24 VLDB 2009 Web Scale Data Management Panel (5 of 5)
"The universe of cycles is not exactly one of literal cycles, but rather one of spirals,&q...
12:04 VLDB 2009 Yahoo Keynote (4 of 5)
Raghu Ramakrishnan of Yahoo! gave a keynote about PNUTS, the Yahoo solution for managing massive us...
11:51 VLDB 2009 TPC Workshop (3 of 5)
Michael Stonebraker gave the keynote at the TPC workshop. His message was that the TPC, at the vene...
11:46 Some Interesting VLDB 2009 Papers (2 of 5)
Intel on Hash Join Intel and Oracle had measured hash and sort merge joins on Intel Core i7. The...
11:30 VLDB 2009 (1 of 5)
I was at the VLDB 2009 conference in Lyon, France. I will in the next few posts discuss some of the ...
10:44 Provenance and Reification in Virtuoso
These days, data provenance is a big topic across the board, ranging from the linked data web, to RD...
August 19, 2009
13:28 More On Parallel RDF/Text Query Evaluation
We have received some more questions about Virtuoso's parallel query evaluation model. In answe...
August 14, 2009
19:01 Updated hardware improves LUBM 8000 load rate in Virtuoso 6
We repeated the earlier LUBM 8000 experiment on a newer machine, with 2 x Xeon 5520 and 72G 1333MHz ...
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