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» Admissible Heuristics for Optimal Planning
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DOLAP
2005
ACM
13 years 9 months ago
Optimizing the incremental maintenance of multiple join views
Materialized views are nowadays commonly used in the data warehouse environment. Materialized views need to be updated when data sources change. Since the update of the views may ...
Ki Yong Lee, Myoung-Ho Kim
ICDE
2011
IEEE
262views Database» more  ICDE 2011»
12 years 11 months ago
Memory-constrained aggregate computation over data streams
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
K. V. M. Naidu, Rajeev Rastogi, Scott Satkin, Anan...
VLDB
1997
ACM
142views Database» more  VLDB 1997»
13 years 11 months ago
Algorithms for Materialized View Design in Data Warehousing Environment
Selecting views to materialize is one of the most important decisions in designing a data warehouse. In this paper, we present a framework for analyzing the issues in selecting vi...
Jian Yang, Kamalakar Karlapalem, Qing Li
GECCO
2008
Springer
137views Optimization» more  GECCO 2008»
13 years 8 months ago
Evolutionary path planner for UAVs in realistic environments
This paper presents a path planner for Unmanned Air Vehicles (UAVs) based on Evolutionary Algorithms (EA) that can be used in realistic risky scenarios. The path returned by the a...
Jesús Manuel de la Cruz, Eva Besada-Portas,...
JAIR
2008
145views more  JAIR 2008»
13 years 7 months ago
Communication-Based Decomposition Mechanisms for Decentralized MDPs
Multi-agent planning in stochastic environments can be framed formally as a decentralized Markov decision problem. Many real-life distributed problems that arise in manufacturing,...
Claudia V. Goldman, Shlomo Zilberstein