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DBA
2006
156views Database» more  DBA 2006»
13 years 9 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...
ATAL
2009
Springer
13 years 9 months ago
Efficient physics-based planning: sampling search via non-deterministic tactics and skills
Motion planning for mobile agents, such as robots, acting in the physical world is a challenging task, which traditionally concerns safe obstacle avoidance. We are interested in p...
Stefan Zickler, Manuela M. Veloso
ASPDAC
2007
ACM
99views Hardware» more  ASPDAC 2007»
14 years 4 days ago
DpRouter: A Fast and Accurate Dynamic-Pattern-Based Global Routing Algorithm
Abstract - This paper presents a fast and accurate global routing algorithm, DpRouter, based on two efficient techniques: (1) dynamic pattern routing (Dpr), and (2) segment movemen...
Zhen Cao, Tong Jing, Jinjun Xiong, Yu Hu, Lei He, ...
MMAS
2010
Springer
13 years 2 months ago
A Fast Multigrid Algorithm for Energy Minimization under Planar Density Constraints
The two-dimensional layout optimization problem reinforced by the efficient space utilization demand has a wide spectrum of practical applications. Formulating the problem as a non...
Dorit Ron, Ilya Safro, Achi Brandt
MST
2002
169views more  MST 2002»
13 years 7 months ago
Bulk Synchronous Parallel Algorithms for the External Memory Model
Abstract. Blockwise access to data is a central theme in the design of efficient external memory (EM) algorithms. A second important issue, when more than one disk is present, is f...
Frank K. H. A. Dehne, Wolfgang Dittrich, David A. ...