A Ubiquity symposium is an organized debate around a proposition or point of view. It is a means to explore a complex issue from multiple perspectives. An early example of a symposium on teaching computer science appeared in Communications of the ACM (December 1989).
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Ubiquity Symposium: What is Computation
Table of Contents
1. What is Computation, Editor's Introduction, by Peter J. Denning
2. What is Computation, Opening Statement, by Peter J. Denning
3. The Evolution of Computation, by Peter Wegner
4. Computation is Symbol Manipulation, by John S. Conery
5. Computation is Process, by Dennis J. Frailey
6. Computing and Computation, by Paul S. Rosenbloom
7. Computation and Information, by Ruzena Bajcsy
8. Computation and Fundamental Physics, by Dave Bacon
9. The Enduring Legacy of the Turing Machine, by Lance Fortnow
10. Computation and Computational Thinking, by Alfred V. Aho
11. What is the Right Computational Model for Continuous Scientific Problems?, by Joseph Traub
12. Computation, Uncertainty and Risk, by Jeffrey P. Buzen
13. Natural Computation, by Erol Gelenbe
14. Biological Computation, by Melanie Mitchell
15. What is Information?: Beyond the jungle of information theories, by Paolo Rocchi
16. What Have We Said About Computation?: Closing statement, by Peter J. Denning
Symposia

Ubiquity symposium 'What is computation?': The enduring legacy of the Turing machine
by Lance Fortnow
December 2010

Ubiquity symposium 'What is computation?': Computation and information
by Ruzena Bajcsy
December 2010In this sixth article in the ACM Ubiquity symposium,What is Computation? Ruzena Bajcsy of the University of CaliforniaBerkeley explains that computation can be seen as a transformation or function of ...

Ubiquity symposium 'What is computation?': Computing and computation
by Paul S. Rosenbloom
December 2010In this fifth article in the ACM Ubiquity symposium on What is computation? Paul S. Rosenbloom explains why he believes computing is the fourth great scientific domain, on par with ...

Ubiquity symposium 'What is computation?': Computation and Fundamental Physics
by Dave Bacon
December 2010In this seventh article in the ACM Ubiquity symposium, What is Computation?, Dave Bacon of University of Washington explains why he thinks discussing the question is as important as thinking ...

Ubiquity symposium 'What is computation?': Computation is process
by Dennis J. Frailey
November 2010Various authors define forms of computation as specialized types of processes. As the scope of computation widens, the range of such specialties increases. Dennis J. Frailey posits that the essence ...

Ubiquity symposium 'What is Computation?': The evolution of computation
by Peter Wegner
November 2010In this second article in the ACM Ubiquity symposium on 'What is computation?' Peter Wegner provides a history of the evolution of comptuation. Editor ...

Ubiquity symposium 'What is computation?': Computation is symbol manipulation
by John S. Conery
November 2010In the second in the series of articles in the Ubiquity Symposium What is Computation?, Prof. John S. Conery of the University of Oregon explains why he believes computation can ...

Ubiquity symposium 'What is computation?': Opening statement
by Peter J. Denning
November 2010Most people understand a computation as a process evoked when a computational agent acts on its inputs under the control of an algorithm. The classical Turing machine model has long ...

Ubiquity symposium 'What is computation?': Editor's Introduction
by Peter J. Denning
October 2010The first Ubiquity symposium seeks to discuss the question, "What is computation?" ...