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» Optimal Limited Contingency Planning
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BTW
2009
Springer
99views Database» more  BTW 2009»
13 years 11 months ago
A Framework for Reasoning about Share Equivalence and Its Integration into a Plan Generator
: Very recently, Cao et al. presented the MAPLE approach, which accelerates queries with multiple instances of the same relation by sharing their scan operator. The principal idea ...
Thomas Neumann, Guido Moerkotte
ICDE
1998
IEEE
93views Database» more  ICDE 1998»
14 years 9 months ago
Distributed Video Presentations
In this paper, we consider a distributed video server environment where video movies need not be stored entirely in one server. Blocks of a video movie are allowed to be distribut...
Eenjun Hwang, V. S. Subrahmanian, B. Prabhakaran
PODS
1999
ACM
121views Database» more  PODS 1999»
13 years 12 months ago
Tracking Join and Self-Join Sizes in Limited Storage
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
Noga Alon, Phillip B. Gibbons, Yossi Matias, Mario...
KI
2001
Springer
14 years 3 days ago
Constraint-Based Optimization of Priority Schemes for Decoupled Path Planning Techniques
Abstract Coordinating the motion of multiple mobile robots is one of the fundamental problems in robotics. The predominant algorithms for coordinating teams of robots are decoupled...
Maren Bennewitz, Wolfram Burgard, Sebastian Thrun
RAS
2002
129views more  RAS 2002»
13 years 7 months ago
Finding and optimizing solvable priority schemes for decoupled path planning techniques for teams of mobile robots
Coordinating the motion of multiple mobile robots is one of the fundamental problems in robotics. The predominant algorithms for coordinating teams of robots are decoupled and pri...
Maren Bennewitz, Wolfram Burgard, Sebastian Thrun