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: 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: 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
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
Technical Perspective: The Quest For a Logic For Polynomial-Time Computation
The interaction between computation and logic goes back to the beginnings of computer science with the development of computability theory...
From Communications of the ACM
From Polynomial Time Queries to Graph Structure Theory
We give a logical characterization of the polynomial-time properties of graphs with excluded minors.
From Communications of the ACM
Technical Perspective: Complex Financial Products: Caveat Emptor
CDOs are examples of financial derivatives, with a value that depends on the underlying assets with which they are linked. These kinds of complex financial products...
From Communications of the ACM
Computational Complexity and Information Asymmetry in Financial Products
Securitization of cash flows using financial derivatives transformed the financial industry over the last three decades. Derivatives...
From Communications of the ACM
The Informatics Philharmonic
A system for musical accompaniment is presented in which a computer-driven orchestra follows and learns from a soloist in a concerto-like setting. The system's...
From Communications of the ACM
Technical Perspective: Concerto For Violin and Markov Model
In the opening of Sibelius' Violin Concerto, a soloist plays delicately. The orchestra responds in kind. As...
From Communications of the ACM