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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...

FAWN
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.

Dremel: Interactive Analysis of Web-Scale Datasets
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 Polynomial Time Queries to Graph Structure 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...

Computational Complexity and Information Asymmetry in 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...

The Informatics Philharmonic
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...

DRAM Errors in the Wild
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...

Sora: High-Performance Software Radio Using General-Purpose Multi-Core Processors
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...

CoSaMP: Iterative Signal Recovery From Incomplete and Inaccurate Samples
From Communications of the ACM

CoSaMP: Iterative Signal Recovery From Incomplete and Inaccurate Samples

Compressive sampling (CoSa) is a new paradigm for developing data sampling technologies. The main computational challenge in CoSa is to reconstruct a compressible...

From Communications of the ACM

Technical Perspective: Iterative Signal Recovery From Incomplete Samples

You are given a large set of data values, and you are requested to compress, clean, recover, recognize, and/or predict...

Privacy Integrated Queries
From Communications of the ACM

Privacy Integrated Queries: An Extensible Platform For Privacy-Preserving Data Analysis

Privacy Integrated Queries (PINQ) is an extensible data analysis platform designed to provide unconditional privacy guarantees for the records of the underlying...

From Communications of the ACM

Technical Perspective: Programming With Differential Privacy

Government agencies worldwide release statistical information about population, education, and health, crime...

Phase Change Memory Architecture and the Quest For Scalability
From Communications of the ACM

Phase Change Memory Architecture and the Quest For Scalability

Memory scaling is in jeopardy as charge storage and sensing mechanisms become less reliable for prevalent memory technologies. In contrast, phase change memory...

From Communications of the ACM

Technical Perspective: Technology Scaling Redirects Main Memories

As predicted by Intel's Gordon Moore in 1965, the number of transistors that can be integrated on one die continues to double approximately...
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