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Communications of the ACM

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The Research archive provides access to all Research articles published in past issues of Communications of the ACM.

March 2018


From Communications of the ACM

Technical Perspective: On Heartbleed: A Hard Beginnyng Makth a Good Endyng

When a serious security vulnerability is discovered in the SSL/TLS protocol, one would naturally expect a rapid response. "Analysis of SSL Certificate Reissues and Revocations in the Wake of Heartbleed," by Zhang et al., paints…


From Communications of the ACM

Time-Inconsistent Planning: A Computational Problem in Behavioral Economics

Time-Inconsistent Planning

We propose a graph-theoretic model of tasks and goals, in which dependencies among actions are represented by a directed graph, and a time-inconsistent agent constructs a path through this graph.


From Communications of the ACM

Technical Perspective: A Graph-Theoretic Framework Traces Task Planning

In "Time-Inconsistent Planning: A Computational Problem in Behavioral Economics," Kleinberg and Oren describe a graph-theoretic framework for task planning with quasi-hyperbolic discounting.


From Communications of the ACM

Analysis of SSL Certificate Reissues and Revocations in the Wake of Heartbleed

Analysis of SSL Certificate Reissues and Revocations in the Wake of Heartbleed

We use Heartbleed, a widespread OpenSSL vulnerability from 2014, as a natural experiment to determine whether administrators are properly managing their X.509 certificates.