Evolving Multilevel Forecast Combination Models - An Experimental Study.

Riedel, S. and Gabrys, B., 2005. Evolving Multilevel Forecast Combination Models - An Experimental Study. In: NiSIS'2005 (Nature-Inspired Smart information Systems) Symposium, 4- 5 October 2005, Albufeira, Portugal.

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Abstract

This paper provides a description and experimental comparison of different forecast combination techniques for the application of Revenue Management forecasting for Airlines. In order to benefit from the advantages of forecasts predicting seasonal demand using different forecast models on different aggregation levels and to reduce the risks of high noise terms on low level predictions and overgeneralization on higher levels, various approaches based on combination of many predictions are presented and experimentally compared. We propose to evolve combination structures dynamically using Evolutionary Computing approaches. The evolved structures are not only able to generate predictions representing well balanced and stable fusions of methods and levels, they are also characterised by high adaptive capabilities. The focus on different levels or methods of forecasting may change as well as the complexity of the combination structure depending on changes in parts of the input data space in different data aggregation levels. Significant forecast improvements have been obtained when using the proposed dynamic multilevel structures.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Forecast Combination, Adaptive Forecasting, Genetic Programming Airline, Revenue Management
Subjects:Generalities > Computer Science and Informatics > Artificial Intelligence
Generalities > Computer Science and Informatics
Group:School of Design, Engineering & Computing
ID Code:8530
Deposited By:INVALID USER
Deposited On:21 Dec 2008 16:00
Last Modified:07 Mar 2013 15:02

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