"The Heat Method for Distance Computation," by Crane, Weischedel, and Wardetzky, shows that the gradient of the probability density function of a random walk is...Marc Alexa From Communications of the ACM | November 2017
We introduce the heat method for solving the single- or multiple-source shortest path problem on both flat and curved domains.
Keenan Crane, Clarisse Weischedel, Max Wardetzky From Communications of the ACM | November 2017
"Heads-Up Limit Hold'em Poker Is Solved," by Michael Bowling, et al., takes the counterfactual regret minimization method for approximating a Nash equilibrium to...David Silver From Communications of the ACM | November 2017
This paper is an extended version of our original 2015 Science article, with additional results showing Cepheus' in-game performance against computer and human...Michael Bowling, Neil Burch, Michael Johanson, Oskari Tammelin From Communications of the ACM | November 2017
"A Large-Scale Study of Programming Languages and Code Quality in GitHub," by Baishakhi Ray, et al., studies whether programming language choice and code quality...Jeffrey S. Foster From Communications of the ACM | October 2017
What is the effect of programming languages on software quality? In this study, we gather a very large data set from GitHub in an attempt to shed some empirical...Baishakhi Ray, Daryl Posnett, Premkumar Devanbu, Vladimir Filkov From Communications of the ACM | October 2017
This paper introduces an interface-driven approach to building scalable software.
Austin T. Clements, M. Frans Kaashoek, Eddie Kohler, Robert T. Morris, Nickolai Zeldovich From Communications of the ACM | August 2017
"IronFleet: Proving Safety and Liveness of Practical Distributed Systems," by Chris Hawblitzel, et al., describes mechanically checked proofs for two non-trivial...Fred B. Schneider From Communications of the ACM | July 2017
We demonstrate the methodology on a complex implementation of a Paxos-based replicated state machine library and a lease-based sharded key-value store. With our...Chris Hawblitzel, Jon Howell, Manos Kapritsos, Jacob R. Lorch, Bryan Parno, Michael L. Roberts, Srinath Setty, Brian Zill From Communications of the ACM | July 2017
In "Fast and Powerful Hashing Using Tabulation," Mikkel Thorup describes a variation of simple but surprisingly effective and powerful hash functions based on using...Michael Mitzenmacher From Communications of the ACM | July 2017
We describe DeepDive, a system that combines database and machine learning ideas to help to develop knowledge base construction systems.
Ce Zhang, Christopher Ré, Michael Cafarella, Christopher De Sa, Alex Ratner, Jaeho Shin, Feiran Wang, Sen Wu From Communications of the ACM | May 2017
"Exploiting Vector Instructions with Generalized Stream Fusion" points out that stream fusion by itself is not well suited for generating bulk instructions such...Guy Blelloch From Communications of the ACM | May 2017
Programmers should not have to sacrifice code clarity or good software engineering practices to obtain performance. This work shows how to attain this goal for...Geoffrey Mainland, Roman Leshchinskiy, Simon Peyton Jones From Communications of the ACM | May 2017
The authors of "Guilt-Free Data Reuse" show there is a way to construct a safety net that goes around a fixed dataset so that it may be analyzed interactively without...Jonathan Ullman From Communications of the ACM | April 2017
In this work, we initiate a principled study of how to guarantee the validity of statistical inference in adaptive data analysis.
Cynthia Dwork, Vitaly Feldman, Moritz Hardt, Toniann Pitassi, Omer Reingold, Aaron Roth From Communications of the ACM | April 2017
"Certifying a File System Using Crash Hoare Logic: Correctness in the Presence of Crashes" presents a big step toward real-world file systems that are crash-safe...Gernot Heiser From Communications of the ACM | April 2017
This paper introduces Crash Hoare logic, which extends traditional Hoare logic with a crash condition, a recovery procedure, and logical address spaces for specifying...Tej Chajed, Haogang Chen, Adam Chlipala, M. Frans Kaashoek, Nickolai Zeldovich, Daniel Ziegler From Communications of the ACM | April 2017