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VLDB
2004
ACM
161views Database» more  VLDB 2004»
14 years 10 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
MOBISYS
2004
ACM
14 years 10 months ago
Energy-Efficient Surveillance System Using Wireless Sensor Networks
The focus of surveillance missions is to acquire and verify information about enemy capabilities and positions of hostile targets. Such missions often involve a high element of ri...
Tian He, Sudha Krishnamurthy, John A. Stankovic, T...
SPAA
2005
ACM
14 years 4 months ago
Value-maximizing deadline scheduling and its application to animation rendering
We describe a new class of utility-maximization scheduling problem with precedence constraints, the disconnected staged scheduling problem (DSSP). DSSP is a nonpreemptive multipro...
Eric Anderson, Dirk Beyer 0002, Kamalika Chaudhuri...
ECRTS
2003
IEEE
14 years 3 months ago
Using Supertasks to Improve Processor Utilization in Multiprocessor Real-Time Systems
We revisit the problem of supertasking in Pfair-scheduled multiprocessor systems. In this approach, a set of tasks, called component tasks, is assigned to a server task, called a ...
Philip Holman, James H. Anderson
CORR
2011
Springer
259views Education» more  CORR 2011»
13 years 5 months ago
The Pros and Cons of Compressive Sensing for Wideband Signal Acquisition: Noise Folding vs. Dynamic Range
Compressive sensing (CS) exploits the sparsity present in many common signals to reduce the number of measurements needed for digital acquisition. With this reduction would come, ...
Mark A. Davenport, Jason N. Laska, John R. Treichl...