245 search results - page 11 / 49 » Interactions Between Query Optimization and Concurrency Cont... |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
ICCSA
2003
Springer
15 years 2 months ago
2003
Springer
A problem of eliminating the unwanted time-harmonic noise on a predetermined region of interest is solved by active means, i.e., by introducing the additional sources of sound, cal...
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INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—We study in this paper optimal stochastic control issues in delay tolerant networks. We first derive the structure of optimal two-hop forwarding policies. In order to be implem...
CCS
2004
ACM
15 years 3 months ago
2004
ACM
Access control can be used to ensure that database queries pertaining to sensitive information are not answered. This is not enough to prevent users from learning sensitive inform...
PLDI
2012
ACM
13 years 2 days ago
2012
ACM
Modern architectures implement relaxed memory models which may reorder memory operations or execute them non-atomically. Special instructions called memory fences are provided, al...