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CSE
2009
IEEE
15 years 11 months ago
Scaling Behaviors in the Communication Network between Cities
—We analyze the anonymous communication patterns of 2.5 million customers of a Belgian mobile phone operator. With these communications, we construct a social network of customer...
Gautier Krings, Francesco Calabrese, Carlo Ratti, ...
ICCCI
2009
Springer
15 years 11 months ago
On Deriving Tagsonomies: Keyword Relations Coming from Crowd
Abstract. Many keyword-based approaches to text classification, information retrieval or even user modeling for adaptive web-based system could benefit from knowledge on relation...
Michal Barla, Mária Bieliková
DBPL
2001
Springer
133views Database» more  DBPL 2001»
15 years 11 months ago
A Theory of Spatio-Temporal Database Queries
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
Floris Geerts, Sofie Haesevoets, Bart Kuijpers
IWANN
2001
Springer
15 years 11 months ago
Landmark Recognition for Autonomous Navigation Using Odometric Information and a Network of Perceptrons
In this paper two methods for the detection and recognition of landmarks to be used in topological modeling for autonomous mobile robots are presented. The first method is based o...
Javier de Lope Asiaín, Darío Maraval...
CA
2000
IEEE
15 years 10 months ago
Accurate Collision Response on Polygonal Meshes
We present a very general geometrical correction method for enforcing collisions and other geometrical constraints between polygonal mesh surfaces. It is based on a global resolut...
Pascal Volino, Nadia Magnenat-Thalmann