Category Archives: Personnel

Train Crew Diagraming


This probably was the most complex and complicated project I was ever working on. And while we delivered the product and met the specification (we even got the bonus payment for solution quality), the system was never used operationally. The … Continue reading

Posted in 1999, 49 Land Transport, 49.1 Passenger rail transport, CHIP, H Transportation and Storage, industrial study, live application, Personnel, Transport, Uncategorized | Leave a comment

Open Flight Repair for Air Crew


Allocating air crew (flight deck and cabin crew) to cover the flights of an airline is typically done with a large-scale rostering application, which are often based on column generation techniques, resulting in very large-scale set covering problems. These tools … Continue reading

Posted in 1994, 51 Air Transport, 51.1 Passenger Air Transport, CHIP, H Transportation and Storage, live application, Personnel, Transport | 1 Comment

Planning Catering Personnel for TGV Trains


The EPPER application was developed for the French catering firm Servair to manage their personnel assignment for the restaurant and bar services in the TGV Atlantique. This TGV service runs from Paris to Rennes, Nantes and Bordeaux and continues to … Continue reading

Posted in 1996, 49 Land Transport, 49.1 Passenger rail transport, 56 Food and beverage service activities, 56.1 Restaurants and mobile food service activities, CHIP, CHIP Users Club, H Transportation and Storage, I Accommodation and Food Services, live application, Personnel, Transport | Leave a comment

Operational and Strategic Manpower Assignment for RFO


The OPTISERVICE Application was developed by COSYTEC and the software house GIST for RFO, the French Radio and TV network for its overseas departements. RFO retransmit the metropolitan TV and radio programmes in the overseas departements (time shifted as required … Continue reading

Posted in 1997, 60 Broadcasting, 60.1 Radio Broadcasting, 60.2 TV Broadcasting, CHIP, J Information and Communications, Personnel, product/multiple installations | Leave a comment

Poultry Transport Planning


In the food processing industry, poultry (chicken and turkeys) are grown on a large number of farms in the vicinity of the food factories. When the birds reach a certain age, they are transported to the factories, where they are … Continue reading

Posted in 10 Manufacturing of food products, 10.12 Poultry Processing, 2000, C Manufacturing, CHIP, live application, Personnel, Scheduling, Transport | Leave a comment

Progressive Party


This is a benchmark problem which was introduced in 1995 by Brailsford, S., Hubbard, P., Smith, B., Williams, H.: Organizing a social event – a difficult problem of combinatorial optimization. Computers Ops Res 23 (1996) 845–856. The problem is to … Continue reading

Posted in 2009, benchmark, CP-AI-OR, ECLiPSe, Personnel | 3 Comments

Nurse Rostering


Hospitals are very large organisations, with hundreds or even thousands of medical personnel working in a large number of specialised departments and wards. Instead of solving the personnel assignment for the whole hospital in a single step, it is commonly … Continue reading

Posted in 2006, 86 Human Health, 86.1 Hospital Activities, CHIP, Constraints Journal, Personnel, product/multiple installations, Q Human Health and Social Work | Leave a comment