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111
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MFCS
2004
Springer
15 years 7 months ago
Simulating 3D Cellular Automata with 2D Cellular Automata
The purpose of this article is to describe a way to simulate any 3-dimensional cellular automaton with a 2-dimensional cellular automaton. We will present the problems that arise w...
Victor Poupet
MFCS
2009
Springer
15 years 8 months ago
Query Automata for Nested Words
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We deļ...
P. Madhusudan, Mahesh Viswanathan
CONCUR
2012
Springer
13 years 4 months ago
Making Weighted Containment Feasible: A Heuristic Based on Simulation and Abstraction
Simulation and Abstraction Guy Avni and Orna Kupferman School of Computer Science and Engineering, Hebrew University, Israel Weighted automata map input words to real numbers and a...
Guy Avni, Orna Kupferman
129
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FCT
1991
Springer
15 years 5 months ago
The Complexity of Computing Maximal Word Functions
Maximal word functions occur in data retrieval applications and have connections with ranking problems, which in turn were rst investigated in relation to data compression 21 . By ...
Danilo Bruschi, Giovanni Pighizzini
EMNLP
2011
14 years 1 months ago
Hierarchical Phrase-based Translation Representations
This paper compares several translation representations for a synchronous context-free grammar parse including CFGs/hypergraphs, finite-state automata (FSA), and pushdown automat...
Gonzalo Iglesias, Cyril Allauzen, William Byrne, A...