Communications of the ACM
Latest Research
From Communications of the ACM
Understanding Sources of Ineffciency in General-Purpose Chips
To better understand what improvement in processor efficiency is possible, we quantify the performance and energy overheads of a 720p HD H.264 encoder running on...
From Communications of the ACM
Technical Perspective: A Better Way to Learn Features
A typical machine learning program uses weighted combinations of features to discriminate between classes or to predict...
From Communications of the ACM
Unsupervised Learning of Hierarchical Representations with Convolutional Deep Belief Networks
There has been much interest in unsupervised learning of hierarchical generative models such as deep belief networks (DBNs); however, scaling such models to full...
From Communications of the ACM
Technical Perspective: Visual Reconstruction
Nearly 460,000 Flickr pictures were used to create detailed three-dimensional geometry and colors of famous landmarks and...
From Communications of the ACM
Building Rome in a Day
We present a system that can reconstruct 3D geometry from large, unorganized collections of photographs. Our experimental results demonstrate that it is possible...
From Communications of the ACM
Technical Perspective: Abstracting Abstract Machines
Semanticss-based program analysis requires one to (1) start from a "friendly" semantics; (2) design a "congenial" lattice...
From Communications of the ACM
Abstracting Abstract Machines: A Systematic Approach to Higher-Order Program Analysis
Predictive models are fundamental to engineering reliable software systems. However, designing conservative, computable approximations for the behavior of programs...
From Communications of the ACM
Technical Perspective: Making Browser Extensions Secure
Vulnerabilities in browsers and their extensions have become the primary venue through which cyber criminals compromise the security...
From Communications of the ACM
Vetting Browser Extensions For Security Vulnerabilities with VEX
The browser has become the de facto platform for everyday computation and a popular target for attackers of computer systems. Among the many potential attacks that...
From Communications of the ACM
Technical Perspective: Skintroducing the Future
Two critical goals for mobile devices seem intrinsically in conflict. For carrying, the smaller the better. Yet for...
From Communications of the ACM
Skinput: Appropriating the Skin as an Interactive Canvas
Skinput is a technology that appropriates the skin as an input surface by analyzing mechanical vibrations that propagate through the body. Specifically, we resolve...
From Communications of the ACM
Technical Perspective: Sketches Get Sketchier
Are data synopses — such as the hash-based sketches discussed by Li and König — still needed for querying massive...
From Communications of the ACM
Theory and Applications of b-Bit Minwise Hashing
Efficient (approximate) computation of set similarity in very large datasets is a common task with many applications inminwise hashing...
From Communications of the ACM
Debugging in the (Very) Large: Ten Years of Implementation and Experience
Windows Error Reporting (WER) is a distributed system that automates the processing of error reports coming from an installed base of a billion machines. WER has...
From Communications of the ACM
Technical Perspective: Is Scale Your Enemy, Or Is Scale Your Friend?
Scale has been the single most important force driving changes in system software over the last decade. Its impact is...
From Communications of the ACM
Technical Perspective: FAWN: A Fast Array of Wimpy Nodes
The emergence of wimpy processors and FLASH met a promising deployment scenario in the field of large-scale data centers. The energy efficiency potential of these...
From Communications of the ACM
FAWN: A Fast Array of Wimpy Nodes
This paper presents a fast array of wimpy nodes — FAWN — an approach for achieving low-power data-intensive data-center computing.
From Communications of the ACM
Dremel: Interactive Analysis of Web-Scale Datasets
Dremel is a scalable, interactive ad hoc query system for analysis of read-only nested data. By combining multilevel execution trees and columnar data layout, it...
From Communications of the ACM
Technical Perspective: Data Analysis at Astonishing Speed
The importance of data analysis has never been clearer. Globe-spanning scientific collaborations are exploring...
From Communications of the ACM