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Presentations » Dynamic Problems


Exploiting Fruitful Regions in Dynamic Vehicle Routing: Models and Evolutionary Computation
invited_presentation Jano I. van Hemert @ 2004/11/24, University of Nottingham, UK
University of Nottingham, School of Computing and IT Seminar Series.
[ pdf ]

We introduce the concept of fruitful regions in a dynamic routing context: regions that have a high potential of generating loads to be transported. The objective is to maximise the number of loads transported, while keeping to capacity and time constraints. Loads arrive while the problem is being solved, which makes it a real-time routing problem. The solver is a self-adaptive evolutionary algorithm that ensures feasible solutions at all times. We investigate under what conditions the exploration of fruitful regions by employing anticipatory routing, improves the effectiveness of the evolutionary algorithm.



Exploiting Fruitful Regions in Dynamic Routing: Models and Evolutionary Computation
presentation Jano I. van Hemert @ 2004/11/04, Edinburgh, Scotland
Napier University, Centre for Emergent Computing Seminar Series.
[ pdf ]

We introduce the concept of fruitful regions in a dynamic routing context: regions that have a high potential of generating loads to be transported. The objective is to maximise the number of loads transported, while keeping to capacity and time constraints. Loads arrive while the problem is being solved, which makes it a real-time routing problem. The solver is a self-adaptive evolutionary algorithm that ensures feasible solutions at all times. We investigate under what conditions the exploration of fruitful regions by employing anticipatory routing, improves the effectiveness of the evolutionary algorithm.



Dynamic Routing Problems with Fruitful Regions: Models and Evolutionary Computation
poster Jano I. van Hemert and J. A. La Poutre @ 2004/09/21, Birmingham, UK
Parallel Problem Solving from Nature (PPSN VIII).
[ pdf ]

We introduce the concept of fruitful regions in a dynamic routing context: regions that have a high potential of generating loads to be transported. The objective is to maximise the number of loads transported, while keeping to capacity and time constraints. Loads arrive while the problem is being solved, which makes it a real-time routing problem. The solver is a self-adaptive evolutionary algorithm that ensures feasible solutions at all times. We investigate under what conditions the exploration of fruitful regions improves the effectiveness of the evolutionary algorithm.



A ``Futurist'' Approach to Dynamic Environments
presentation J.I. van Hemert @ 2001/07/07, San Francisco, USA
Genetic and Evolutionary Computation 2001 Conference.
[ pdf ]


A ``Futurist'' approach to dynamic environments
presentation J.I. van Hemert @ 2000/09/06, Limerick, Ireland
The COIL Summer School 2000.


Population dynamics and emerging mental features in AEGIS
presentation J.I. van Hemert @ 1999/07/01, Orlando, USA
The Genetic and Evolutionary Computation 1999 Conference.