148 search results - page 26 / 30 » Query Selectivity Estimation for Uncertain Data |
IOR
2006
13 years 7 months ago
2006
The paper considers robust optimization to cope with uncertainty about the stock return process in one period option hedging problems. The robust approach relates portfolio choice ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Search queries applied to extract relevant information from the World Wide Web over a period of time may be denoted as continuous search queries. The improvement of continuous sea...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...