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» Query Optimization in an OODBMS
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DBA
2006
156views Database» more  DBA 2006»
15 years 6 months ago
Simulated Annealing for Materialized View Selection in Data Warehousing Environment
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...
Roozbeh Derakhshan, Frank K. H. A. Dehne, Othmar K...
ICML
2001
IEEE
16 years 5 months ago
Toward Optimal Active Learning through Sampling Estimation of Error Reduction
This paper presents an active learning method that directly optimizes expected future error. This is in contrast to many other popular techniques that instead aim to reduce versio...
Nicholas Roy, Andrew McCallum
FOCS
2006
IEEE
15 years 10 months ago
On the Optimality of the Dimensionality Reduction Method
We investigate the optimality of (1+ )-approximation algorithms obtained via the dimensionality reduction method. We show that: • Any data structure for the (1 + )-approximate n...
Alexandr Andoni, Piotr Indyk, Mihai Patrascu
133
Voted
UIST
2005
ACM
15 years 10 months ago
Preference elicitation for interface optimization
Decision-theoretic optimization is becoming a popular tool in the user interface community, but creating accurate cost (or utility) functions has become a bottleneck — in most c...
Krzysztof Gajos, Daniel S. Weld
139
Voted
ICDCSW
2003
IEEE
15 years 9 months ago
Optimal Transmission Radius for Flooding in Large Scale Sensor Networks
—One of the principal characteristics of large scale wireless sensor networks is their distributed, multi-hop nature. Due to this characteristic, applications such as query propa...
Marco Zuniga, Bhaskar Krishnamachari