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102
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ICALP
2010
Springer
15 years 7 months ago
Compositionality in Graph Transformation
Graph transformation works under a whole-world assumption. In modelling realistic systems, this typically makes for large graphs and sometimes also large, hard to understand rules....
Arend Rensink
112
Voted
JLP
2006
81views more  JLP 2006»
15 years 2 months ago
Development graphs - Proof management for structured specifications
Development graphs are a tool for dealing with structured specifications in a formal program development in order to ease the management of change and reusing proofs. In this work...
Till Mossakowski, Serge Autexier, Dieter Hutter
94
Voted
WG
2005
Springer
15 years 7 months ago
Extending the Tractability Border for Closest Leaf Powers
The NP-complete Closest 4-Leaf Power problem asks, given an undirected graph, whether it can be modified by at most edge insertions or deletions such that it becomes a 4-leaf powe...
Michael Dom, Jiong Guo, Falk Hüffner, Rolf Ni...
COR
2008
142views more  COR 2008»
15 years 1 months ago
Modeling and solving the rooted distance-constrained minimum spanning tree problem
In this paper we discuss models and methods for solving the rooted distance constrained minimum spanning tree problem which is defined as follows: given a graph G = (V, E) with no...
Luis Gouveia, Ana Paias, Dushyant Sharma
JCT
2007
103views more  JCT 2007»
15 years 2 months ago
Geometric drawings of Kn with few crossings
We give a new upper bound for the rectilinear crossing number cr(n) of the complete geometric graph Kn. We prove that cr(n) ≤ 0.380559 ¡n 4 ¢ + Θ(n3 ) by means of a new const...
Bernardo M. Ábrego, Silvia Fernández...