CPAIOR 2011 Workshop ISA - "Innovative Scheduling and other Applications using CP-AI-OR" **** NEW: Workshop Program and Proceedings Available **** May 24, 2011 Zuse Institute, Berlin, Germany
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In the focus of this workshop are any new innovative applications using CP-AI-OR technology either addressing new application areas, the combination of different modeling and/or solution technologies (hybrid problem models, hybrid solvers, problem decomposition, new modeling concepts and pruning/search algorithms) or interactive systems assisting their users in decision making.

This includes but is not restricted to

• load balancing applications in smart energy systems like producer-consumer-alignment problems (e.g. caused by the variability of renewable energy),

• scheduling in safety critical system, e.g. using multi-core infrastructure, e.g. in automotive, avionics, etc.,

• the integration of (business) process modeling and scheduling in order to support complex management decisions (e.g. scheduling and/or resource allocation, etc.) e.g. in medicine, etc.

The workshop provides the opportunity to present and discuss ongoing research and prototype systems showing the potential of CP-AI-OR concepts, models and algorithms in application areas which are open for any innovative management solutions. Due to this fact, the topics addressed in this workshop are of great interest for CP-AI-OR.

Petr Vilim will give a talk on 

A bit of CP, a bit of AI, a bit of OR and a bit of coding

In this talk, I would like to discuss some of the ingredients I consider necessary for a successful scheduling application. A big part of the problem, of course, is to be able to handle efficiently typical resource constraints, to have excellent heuristics, powerful search and so on.

However, there are also other aspects which are not often discussed in scientific literature, such as modeling language, reusability of the developed code, cooperation between modules, backward compatibility, user interface and so on.

I would like to share with you some of the lessons I learned during my work on IBM ILOG CP Optimizer. I will describe only what we did, but also why we did it the way we did. An important part of the talk will be applications which motivated the development. For example, I would like to mention the following topics:

•       modeling language we use to describe scheduling problems,

•       optional interval variables,

•       nontraditional resource constraints,

•       work breakdown structure,

•       default search.

I hope that this talk will be interesting not only for developers of CP/AI/OR applications but also for scientists working in this area.

The proceedings are published as a computer science report of the BTU Cottbus (ISSN: 1437-7969 ). They are online available.