Sciweavers

10493 search results - page 465 / 2099
» Dynamic Word Problems
Sort
View
CN
2002
116views more  CN 2002»
15 years 6 months ago
Search engines and Web dynamics
In this paper we study several dimensions of web dynamics in the context of large-scale Internet search engines. Both growth and update dynamics clearly represent big challenges f...
Knut Magne Risvik, Rolf Michelsen
INFORMS
2010
90views more  INFORMS 2010»
15 years 5 months ago
Approximate Dynamic Programming for Ambulance Redeployment
We present an approximate dynamic programming approach for making ambulance redeployment decisions in an emergency medical service system. The primary decision is where we should ...
Matthew S. Maxwell, Mateo Restrepo, Shane G. Hende...
TCBB
2011
15 years 1 months ago
Semi-Markov Models for Brownian Dynamics Permeation in Biological Ion Channels
—Constructing accurate computational models that explain how ions permeate through a biological ion channel is an important problem in biophysics and drug design. Brownian dynami...
Vikram Krishnamurthy, Kai Yiu Luk
CIE
2009
Springer
16 years 1 months ago
Complexity of Existential Positive First-Order Logic
Let Γ be a (not necessarily finite) structure with a finite relational signature. We prove that deciding whether a given existential positive sentence holds in Γ is in LOGSPACE...
Manuel Bodirsky, Miki Hermann, Florian Richoux
ISPAN
1996
IEEE
15 years 11 months ago
An effective parallelization of execution of multijoins in multiprocessor systems
In this paper, we study a synchronous execution strategy f o r parallel join computation in multiprocessor systems. Through a further comprehensive investigation of the processor ...
Xuemin Lin, S. Fox