This is a blog about constraint programming, especially applications of constraint programming.
I’m Helmut Simonis, I’m a researcher at the Cork Constraint Computation Centre (4C), a research centre on Constraints, Optimisation and AI at the University College Cork. I’m also the applications editor of the Constraints journal.
Before coming to Cork, I was working in London, for the start-up companies Parc Technologies and CrossCore Optimization, while at the same time working at IC-PARC in Imperial College London as a principal research fellow. During this time I was working mainly on applying constraint programming to network management and optimization problems.
From 1990-2000 I was working as co-founder and technical director at COSYTEC in Orsay near Paris. During that time I was involved in developing many constraint applications for scheduling, personnel assignment and transportation.
From 1986-1990 I was a researcher at ECRC in Munich, a tri-national industrial research centre. At ECRC we developed the CHIP system, one of the first constraint programming platforms.


Helmut,
I’d like to congratulate you and readers of your newly born blog. I am sure that descriptions of CP applications in which you was involved over years will become a very useful source of information for CP practitioners.
Best,
Jacob
Helmut,
I really love it to see that CP is still alive.
Nice blog, I am a fan.
Trijntje
Helmut,
Greetings to you and all CP fans !
Very interesting to see this development.
One day, CP will enter the mainstream in computer science.