Author(s)

E.M. Morgado & J.P. Martins

Abstract

This paper presents CREWS, an Al-based tool for generating applications in crew scheduling. CREWS addresses both scheduling and rescheduling and focuses on new capabilities of CREWS, in particular, handling changes in data. The main goal was to produce a decision support system in the area of human resource manage- ment and provide a system to support the scheduling experts. 1 Introduction The goal in crew scheduling is to take tasks to be performed by crew members and arrange them into duties (sequences of tasks to be performed by a crew member in a given day) according to the constraints in effect (domain rules, labour rules, social rules, and so on). Crew scheduling becomes very complex in a company with a large number of activities (i.e., flights or trains), due to the combinatorial explosion involved. It is usual

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