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IPL
2007
89views more  IPL 2007»
13 years 8 months ago
On the longest path algorithm for reconstructing trees from distance matrices
Culberson and Rudnicki [1] gave an algorithm that reconstructs a degree d restricted tree from its distance matrix. According to their analysis, it runs in time O(dn logd n) for t...
Lev Reyzin, Nikhil Srivastava
TOG
2008
100views more  TOG 2008»
13 years 8 months ago
Interactive procedural street modeling
This paper addresses the problem of interactively modeling large street networks. We introduce a modeling framework that uses tensor fields to guide the generation of a street gra...
Guoning Chen, Gregory Esch, Peter Wonka, Pascal M&...
FAC
2010
148views more  FAC 2010»
13 years 7 months ago
Automating the transformation-based analysis of visual languages
We present a novel approach for the automatic generation of model-to-model transformations given a description of the operational semantics of the source language in the form of gr...
Juan de Lara, Hans Vangheluwe
MKM
2009
Springer
14 years 3 months ago
Exploring a Quantum Theory with Graph Rewriting and Computer Algebra
Graphical languages provide a powerful tool for describing the behaviour of quantum systems. While the use of graphs vastly reduces the complexity of many calculations [4,10], manu...
Aleks Kissinger
ICC
2007
IEEE
117views Communications» more  ICC 2007»
14 years 3 months ago
Radio Channel Modelling Using Stochastic Propagation Graphs
Abstract— In this contribution the radio channel model proposed in [1] is extended to include multiple transmitters and receivers. The propagation environment is modelled using r...
Troels Pedersen, Bernard H. Fleury