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128
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IPL
2008
15 years 4 months ago
2008
We study the complexity of the membership or parsing problem for pictures generated by a family of picture grammars: Siromoney's Context-Free Kolam Array grammars (coincident...
146
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MP
2008
15 years 4 months ago
2008
In this paper we discuss computational complexity and risk averse approaches to two and multistage stochastic programming problems. We argue that two stage (say linear) stochastic ...
125
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INFORMATICALT
2007
15 years 4 months ago
2007
In this article we present the general architecture of a hybrid neuro-symbolic system for the selection and stepwise elimination of predictor variables and non-relevant individuals...
125
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TCS
2008
15 years 4 months ago
2008
This is a survey of results about versions of fine hierarchies and many-one reducibilities that appear in different parts of theoretical computer science. These notions and relate...
136
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CGF
2005
15 years 4 months ago
2005
We present a novel algorithm for rendering physically-based soft shadows in complex scenes. Instead of casting shadow rays, we place both the points to be shaded and the samples o...