@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}
}
