@inproceedings {Schippers2010, title = {A Graph-based Operational Semantics for Context-oriented Programming}, journal = {2nd International Workshop on Context-Oriented Programming (COP), co-located with ECOOP 2010}, year = {2010}, address = {Maribor, Slovenia}, url = {http://win.ua.ac.be/~hschipp/files/ggcop.pdf}, author = {Schippers, Hans and Molderez, Tim and Dirk Janssens} }