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VLDB
2007
ACM
166views Database» more  VLDB 2007»
14 years 7 months ago
Supporting Time-Constrained SQL Queries in Oracle
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
ICC
2007
IEEE
101views Communications» more  ICC 2007»
14 years 1 months ago
On the Limitations of Random Sensor Placement for Distributed Signal Detection
— We consider the design of a sensor network for detecting an emitter who if present is known to be located in an interval but whose exact position is unknown. We seek to minimiz...
Zhenyu Tu, Rick S. Blum
ISSS
1999
IEEE
121views Hardware» more  ISSS 1999»
13 years 11 months ago
Event-Driven Power Management of Portable Systems
The policy optimization problem for dynamic power management has received considerable attention in the recent past. We formulate policy optimization as a constrained optimization...
Tajana Simunic, Giovanni De Micheli, Luca Benini
ACTA
2007
85views more  ACTA 2007»
13 years 7 months ago
The complexity of satisfying constraints on databases of transactions
Abstract Computing frequent itemsets is one of the most prominent problems in data mining. Recently, a new related problem, called FREQSAT, was introduced and studied: given some i...
Toon Calders
WSC
2008
13 years 9 months ago
Smooth flexible models of nonhomogeneous poisson processes using one or more process realizations
We develop and evaluate a semiparametric method to estimate the mean-value function of a nonhomogeneous Poisson process (NHPP) using one or more process realizations observed over...
Michael E. Kuhl, Shalaka C. Deo, James R. Wilson