1. A hyper-heuristic approach based upon a hidden Markov model for the multi-stage nurse rostering problem. (June 2021) Authors: Kheiri, Ahmed; Gretsista, Angeliki; Keedwell, Ed; Lulli, Guglielmo; Epitropakis, Michael G.; Burke, Edmund K. Journal: Computers & operations research Issue: Volume 130(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗