Communications of the ACM
Latest Research
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
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
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
DRAM Errors in the Wild: A Large-Scale Field Study
While a large body of work exists on DRAM in lab conditions, little has been reported on real DRAM failures in large production clusters. In this paper, we analyze...
From Communications of the ACM
Technical Perspective: DRAM Errors in the Wild
In order to advance the field, knowledge of the types of memory errors at the system level, their frequencies, and conditions that exacerbate or are unrelated to...
From Communications of the ACM
Sora: High-Performance Software Radio Using General-Purpose Multi-Core Processors
Sora, a fully programmable software radio platform on commodity PC architectures, combines the performance and fidelity of hardware software-defined radio platforms...
From Communications of the ACM
Technical Perspective: Sora Promises Lasting Impact
The objective of Sora is to build a software defined radio that combines the performance and fidelity of hardware...
From Communications of the ACM
FastTrack: Efficient and Precise Dynamic Race Detection
Multithreaded programs are notoriously prone to race conditions. Prior work developed precise dynamic race detectors that never report false alarms. However, these...
From Communications of the ACM
Goldilocks: A Race-Aware Java Runtime
GOLDILOCKS is a Java runtime that monitors program executions and throws a DataRaceException when a data race...
From Communications of the ACM
Technical Perspective: Data Races Are Evil with No Exceptions
Exploiting parallelism has become the primary means to higher performance. Shared memory is a pervasively used programming...
From Communications of the ACM
Difference Engine: Harnessing Memory Redundancy in Virtual Machines
Virtual machine monitors are a popular platform for Internet hosting centers and cloud-based compute services. But main memory is not amenable to multiplexed hardware...
From Communications of the ACM