6004 search results - page 752 / 1201 » Parallelizing query optimization |
145
click to vote
SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
139
click to vote
DASFAA
2007
IEEE
15 years 10 months ago
2007
IEEE
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
152
click to vote
BTW
2009
Springer
15 years 7 months ago
2009
Springer
: Very recently, Cao et al. presented the MAPLE approach, which accelerates queries with multiple instances of the same relation by sharing their scan operator. The principal idea ...
129
click to vote
SIGMOD
2010
ACM
15 years 9 months ago
2010
ACM
We present SecureBlox, a declarative system that uniļ¬es a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speciļ...
126
click to vote
HPCA
1999
IEEE
15 years 8 months ago
1999
IEEE
In general-purpose microprocessors, recent trends have pushed towards 64-bit word widths, primarily to accommodate the large addressing needs of some programs. Many integer proble...