COMMUN I CAT I ONS

CACM.ACM.ORG

OF THE

AC M

07/2009 VOL. 52 NO.07

Barbara Liskov

ACM’s A.M. Turing

Award Winner

Steps Toward

Self-Aware Networks

The Metropolis Model

Why Computer Science

Doesn’t Matter

Probabilistic Databases

The Five-Minute Rule 20 Years Later

Association for Computing Machinery