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ESA
2010
Springer
185views Algorithms» more  ESA 2010»
13 years 9 months ago
Fast Routing in Very Large Public Transportation Networks Using Transfer Patterns
We show how to route on very large public transportation networks (up to half a billion arcs) with average query times of a few milliseconds. We take into account many realistic fe...
Hannah Bast, Erik Carlsson, Arno Eigenwillig, Robe...
COMCOM
2008
74views more  COMCOM 2008»
13 years 8 months ago
The PoSIM middleware for translucent and context-aware integrated management of heterogeneous positioning systems
The widespread availability of devices with multiple wireless interfaces and the abundance of heterogeneous positioning techniques open new market potentials for Location Based Se...
Paolo Bellavista, Antonio Corradi, Carlo Giannelli
CORR
2008
Springer
123views Education» more  CORR 2008»
13 years 8 months ago
Networks become navigable as nodes move and forget
Abstract. We propose a dynamic process for network evolution, aiming at explaining the emergence of the small world phenomenon, i.e., the statistical observation that any pair of i...
Augustin Chaintreau, Pierre Fraigniaud, Emmanuelle...
EOR
2008
133views more  EOR 2008»
13 years 8 months ago
Investigating a hybrid simulated annealing and local search algorithm for constrained optimization
Constrained Optimization Problems (COP) often take place in many practical applications such as kinematics, chemical process optimization, power systems and so on. These problems ...
Chandra Sekhar Pedamallu, Linet Özdamar
IR
2008
13 years 8 months ago
A compressed self-index using a Ziv-Lempel dictionary
A compressed full-text self-index for a text T , of size u, is a data structure used to search for patterns P, of size m, in T , that requires reduced space, i.e. space that depend...
Luís M. S. Russo, Arlindo L. Oliveira