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CIE
2005
Springer
15 years 8 months ago
The Computational Complexity of One-Dimensional Sandpiles
Abstract. We prove that the one-dimensional sandpile prediction problem is in AC1 . The previously best known upper bound on the ACi -scale was AC2 . We also prove that it is not i...
Peter Bro Miltersen
ECAL
2001
Springer
15 years 7 months ago
Emergent Syntax: The Unremitting Value of Computational Modeling for Understanding the Origins of Complex Language
Abstract. In this paper we explore the similarities between a mathematical model of language evolution and several A-life simulations. We argue that the mathematical model makes so...
Willem H. Zuidema
ICMCS
2005
IEEE
82views Multimedia» more  ICMCS 2005»
15 years 8 months ago
Globally Optimal Uneven Erasure-Protected Multi-Group Packetization of Scalable Codes
We study the problem of rate-distortion optimal packetization with uneven erasure protection (UEP) of scalable source sequence, into multiple groups of packets. The grouping of pa...
Sorina Dumitrescu, Xiaolin Wu
NIPS
2004
15 years 4 months ago
VDCBPI: an Approximate Scalable Algorithm for Large POMDPs
Existing algorithms for discrete partially observable Markov decision processes can at best solve problems of a few thousand states due to two important sources of intractability:...
Pascal Poupart, Craig Boutilier
CIAC
2010
Springer
263views Algorithms» more  CIAC 2010»
16 years 14 days ago
The Complexity of Computing Minimal Unidirectional Covering Sets
Abstract. Given a binary dominance relation on a set of alternatives, a common thread in the social sciences is to identify subsets of alternatives that satisfy certain notions of ...
Dorothea Baumeister, Felix Brandt, Felix Fischer, ...