1702 search results - page 323 / 341 » Hidden Pattern Statistics |
XSYM
2004
Springer
15 years 3 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
DEBS
2003
ACM
15 years 3 months ago
2003
ACM
Join algorithms must be re-designed when processing stream data instead of persistently stored data. Data streams are potentially infinite and the query result is expected to be ...
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PLDI
2003
ACM
15 years 3 months ago
2003
ACM
We propose a low-overhead sampling infrastructure for gathering information from the executions experienced by a program’s user community. Several example applications illustrat...
HICSS
2002
IEEE
15 years 2 months ago
2002
IEEE
It is apparent that perturbations of the North American electric power grid follow the patterns and characteristics of Self Organized Critical (SOC) systems. Published studies sho...
KDD
2009
ACM
15 years 2 months ago
2009
ACM
Behavioral Targeting (BT), which aims to deliver the most appropriate advertisements to the most appropriate users, is attracting much attention in online advertising market. A ke...