Charlie's Home Page

Work

I have graduated and am now at Harvard. See my home page there. I was a PhD student in the Department of Computer and Information Science at the University of Pennsylvania. My thesis was on applications of counterfactual reasoning to theories of causation.

My research interests include knowledge representation, reasoning about action, and rational agent architectures.

Fave quotes

"There are truths but no truth." -- Camus

"I don't like stuff that sucks." -- B&B

"Courageous, untroubled, mocking and violent - that is what Wisdom wants us to be. Wisdom is a woman, and loves only a warrior." -- Nietzche, Zarathustra

(See also karpf@linc.cis.upenn.edu) Click for karpf's home page

Feel free to contact me for a game...

Vita

Recent Papers

C. Ortiz, "Worlds of change: counterfactual reasoning and causation," Dissertation, 1996.

C. Ortiz, "Causal Pathways of Rational Action," in Proceedings of the Twelfth National Conference on Artificial Intelligence, pages 1061-1066, 1994.

C. Ortiz, "The Semantics of Event Prevention," in Proceedings of the Eleventh National Conference on Artificial Intelligence, pages 633-688, 1993.

,

Gothic Play!

clortiz@linc.cis.upenn.edu