Dennis LA, Fisher M and Winfield AFT (2015), Towards Verifiably Ethical Robot Behaviour, Proceedings of the 1st International Workshop on AI and Ethics, Austin, Texas, 2015. Download from University of Liverpool.
Winfield AFT, Blum C and Liu W (2014), Towards an Ethical Robot: Internal Models, Consequences and Ethical Action Selection, pp 85-96 in Advances in Autonomous Robotics Systems, Lecture Notes in Computer Science Volume 8717, Eds. Mistry M, Leonardis A, Witkowski M and Melhuish C, Springer, 2014. Download final draft (pdf).