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» Techniques and tools for dynamic optimization
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SIGMOD
2003
ACM
172views Database» more  SIGMOD 2003»
14 years 8 months ago
Dynamic Sample Selection for Approximate Query Processing
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
Brian Babcock, Surajit Chaudhuri, Gautam Das
ICDE
1999
IEEE
89views Database» more  ICDE 1999»
14 years 9 months ago
Relative Prefix Sums: An Efficient Approach for Querying Dynamic OLAP Data Cubes
Range sum queries on data cubes are a powerful tool for analysis. A range sum query applies an aggregation operation (e.g., SUM) over all selected cells in a data cube, where the ...
Steven Geffner, Divyakant Agrawal, Amr El Abbadi, ...
VRST
1998
ACM
14 years 15 days ago
A constraint-based approach to rigid body dynamics for virtual reality applications
The GALILEO-system is a developmental state-of-the-art rigid body simulation tool with a strong bias to the simulation of unilateral contacts for virtual reality applications. On ...
Jörg Sauer, Elmar Schömer
GECCO
2007
Springer
163views Optimization» more  GECCO 2007»
14 years 2 months ago
Discovering event evidence amid massive, dynamic datasets
Automated event extraction remains a very difficult challenge requiring information analysts to manually identify key events of interest within massive, dynamic data. Many techniq...
Robert M. Patton, Thomas E. Potok
ICPP
1996
IEEE
14 years 12 days ago
Mechanisms for Mapping High-Level Parallel Performance Data
A primary problem in the performance measurement of high-level parallel programming languages is to map lowlevel events to high-level programming constructs. We discuss several as...
R. Bruce Irvin, Barton P. Miller