Communications of the ACM
Latest Research
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
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
Poly-Logarithmic Independence Fools Bounded-Depth Boolean Circuits
The question of determining which (weak) forms of randomness "fool" (or seem totally random to) a given algorithm is a basic...
From Communications of the ACM
Technical Perspective: Patterns Hidden from Simple Algorithms
Is the number 9021960864034418159813 random? To my limited mind, the string appears random. Is there a way to use some formal mathematics...
From Communications of the ACM
Liability Issues in Software Engineering: The Use of Formal Methods to Reduce Legal Uncertainties
This paper reports on the results of a multidisciplinary project involving lawyers and computer scientists with the aim to put forward a set of methods and tools...
From Communications of the ACM
Technical Perspective: Liability Issues in Software Engineering
The paper by LeMétayer et al. addresses one technical issue in a large and serious problem in the production...
From Communications of the ACM
VL2: A Scalable and Flexible Data Center Network
VL2 is a practical network architecture that scales to support huge data centers with uniform high capacity between servers, performance isolation between services...
From Communications of the ACM
Technical Perspective: VL2
The Internet is increasingly a platform for online services running on rack after rack of servers. With the advent of large data centers, the study of the networks...
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