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SOFSEM
2010
Springer
13 years 5 months ago
Fast and Compact Prefix Codes
It is well-known that, given a probability distribution over n characters, in the worst case it takes (n log n) bits to store a prefix code with minimum expected codeword length. H...
Travis Gagie, Gonzalo Navarro, Yakov Nekrich
SOFSEM
2010
Springer
13 years 5 months ago
Forcing Monotonicity in Parameterized Verification: From Multisets to Words
We present a tutorial on verification of safety properties for parameterized systems. Such a system consists of an arbitrary number of processes; the aim is to prove correctness of...
Parosh Aziz Abdulla
SOFSEM
2010
Springer
13 years 5 months ago
Approximate Structural Consistency
Abstract. We consider documents as words and trees on some alphabet and study how to compare them with some regular schemas on an alphabet . Given an input document I, we decide ...
Michel de Rougemont, Adrien Vieilleribière
SOFSEM
2010
Springer
14 years 2 months ago
Approximability of Edge Matching Puzzles
Antonios Antoniadis, Andrzej Lingas
SOFSEM
2010
Springer
14 years 2 months ago
On a Labeled Vehicle Routing Problem
In this paper, we study the complexity and (in)approximability of the minimum label vehicle routing problem. Given a simple complete graph G = (V, E) containing a special vertex 0 ...
Hatem Chatti, Laurent Gourvès, Jér&o...
SOFSEM
2010
Springer
14 years 2 months ago
Model-Driven Software Product Line Testing: An Integrated Approach
Andy Schürr, Sebastian Oster, Florian Markert
SOFSEM
2010
Springer
14 years 4 months ago
Finding and Certifying Loops
Abstract. The first part of this paper presents a new approach for automatically proving nontermination of string rewrite systems. We encode rewrite sequences as propositional for...
Harald Zankl, Christian Sternagel, Dieter Hofbauer...