@Inproceedings{EPTCS95.1,
  author    = {Abramsky, Samson and Mansfield, Shane and Barbosa, Rui Soares},
  year      = {2012},
  title     = {The Cohomology of Non-Locality and Contextuality},
  editor    = {Jacobs, Bart and Selinger, Peter and Spitters, Bas},
  booktitle = {{\rm Proceedings 8th International Workshop on}
               Quantum Physics and Logic,
               {\rm Nijmegen, Netherlands, October 27-29, 2011}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {95},
  publisher = {Open Publishing Association},
  pages     = {1-14},
  doi       = {10.4204/EPTCS.95.1},
}