The Supply Chain Integrated Ordering Network (SCION) Depot Bookings system automates the planning and scheduling of perishable and non-perishable commodities and the vehicles that carry them into J. Sainsbury depots. This is a strategic initiative, enabling the business to make the key move from weekly to daily ordering. The system is mission critical, managing the inwards flow of commodities f...

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This paper presents \Ibots" (Integrating roBOTS), a computer experiment in team robotics designed on an arti cial mission. Our aim is to understand how to use reinforcement learning to program automatically a team of robots with a shared mission. Moreover, we are interested in learning real team solutions. These are programs whose form strongly depends on the number of robots composing the team...

With today's demands for continuous availability of mission-critical databases, on-line reorganization is a necessity. In this paper we present a new on-line reorganization algorithm which defers secondary index updates and piggybacks them with user transactions. In addition to the signiicant reduction of the total I/O cost, the algorithm also assures that almost all the database is available a...

With today’s demands for continuous availability of mission-critical databases, on-line reorganization is a necessity. In this paper we present a new on-Iine reorganization algorithm which defers secondary index updates and piggybacks them with user transactions. In addition to the significant reduction of the total I/O cost, the algorithm also assures that almost all the database is available ...