Sciweavers

1730 search results - page 183 / 346
» Algebra and Computation
Sort
View
EDBT
2012
ACM
214views Database» more  EDBT 2012»
13 years 6 months ago
An optimization framework for map-reduce queries
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
Leonidas Fegaras, Chengkai Li, Upa Gupta
CORR
2008
Springer
132views Education» more  CORR 2008»
15 years 4 months ago
Betweenness Centrality : Algorithms and Lower Bounds
One of the most fundamental problems in large-scale network analysis is to determine the importance of a particular node in a network. Betweenness centrality is the most widely us...
Shiva Kintali
SIAMCOMP
2002
153views more  SIAMCOMP 2002»
15 years 3 months ago
A Decision Procedure for Unitary Linear Quantum Cellular Automata
Linear quantum cellular automata were introduced recently as one of the models of quantum computing. A basic postulate of quantum mechanics imposes a strong constraint on any quan...
Christoph Dürr, Miklos Santha
PEPM
2007
ACM
15 years 10 months ago
Partial evaluation of Maple
Having been convinced of the potential benefits of partial evaluation, we wanted to conduct some experiments in our favourite Computer Algebra System, Maple. Maple is a large lan...
Jacques Carette, Michael Kucera
ICRA
2003
IEEE
87views Robotics» more  ICRA 2003»
15 years 9 months ago
A new algorithm for three-finger force-closure grasp of polygonal objects
—We prove a new necessary and sufficient condition for 2D three-finger equilibrium grasps and implement a geometrical algorithm for computing force-closure grasps of polygonal ob...
Jia-Wei Li, Ming-He Jin, Hong Liu