Ubiquity
works as
Ubiquity Symposium `What is Computation?': What Have We Said About Computation? (2011) — Peter J. Denning Ubiquity Symposium `What is Computation?': Is the Symposium Question Harmful?: Consideration of the Question 'What is Computation?' Considered Harmful (2011) — Peter A. Freeman Ubiquity Symposium `What is Computation?': Computation is Symbol Manipulation (2010) — John S. Conery