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2005
ACM
16 years 9 hour ago
The MHETA Execution Model for Heterogeneous Clusters
The availability of inexpensive “off the shelf” machines increases the likelihood that parallel programs run on heterogeneous clusters of machines. These programs are increasi...
Mario Nakazawa, David K. Lowenthal, Wenduo Zhou
ICDT
2001
ACM
116views Database» more  ICDT 2001»
15 years 11 months ago
On Optimizing Nearest Neighbor Queries in High-Dimensional Data Spaces
Abstract. Nearest-neighbor queries in high-dimensional space are of high importance in various applications, especially in content-based indexing of multimedia data. For an optimiz...
Stefan Berchtold, Christian Böhm, Daniel A. K...
ICDE
2000
IEEE
113views Database» more  ICDE 2000»
15 years 11 months ago
Web Query Optimizer
We consider an architecture of mediators and wrappers for Internet accessible WebSources of limited query capability. Each call to a source is a WebSource Implementation (WSI) and...
Vladimir Zadorozhny, Laura Bright, Louiqa Raschid,...
AIPS
2006
15 years 7 months ago
Incremental Scheduling to Maximize Quality in a Dynamic Environment
We present techniques for incrementally managing schedules in domains where activities accrue quality as a function of the time and resources allocated to them and the goal is to ...
Anthony Gallagher, Terry L. Zimmerman, Stephen F. ...
IIWAS
2004
15 years 7 months ago
Building the Architecture of A Statistics-Based Query Optimization Solution for Heterogeneous Mediators
Access to different and remote sources with heterogeneous formats is one of the most important challenges in Enterprise Information Integration. Even though there exists an increa...
Justo Hidalgo, Alberto Pan, José Losada, Ma...