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From Communications of the ACM

Technical Perspective: Humans and Computers Working Together on Hard Tasks

"Scribe," by Walter S. Lasecki, et al., is one of the first in a recent set of crowdsourcing papers that demonstrated how human workers can collaborate with computing...

Scribe
From Communications of the ACM

Scribe: Deep Integration of Human and Machine Intelligence to Caption Speech in Real Time

We discuss how our Scribe system combines human labor and machine intelligence in real time to reliably convert speech to text with less than 4s latency.

From Communications of the ACM

Technical Perspective: A Gloomy Look at the Integrity of Hardware

"Exploiting the Analog Properties of Digital Circuits for Malicious Hardware," by Kaiyuan Yang, et al., assumes semiconductor foundries (and others in chip fabrication)...

Exploiting the Analog Properties of Digital Circuits for Malicious Hardware
From Communications of the ACM

Exploiting the Analog Properties of Digital Circuits for Malicious Hardware

We show how a fabrication-time attacker can leverage analog circuits to create a hardware attack that is small and stealthy.

From Communications of the ACM

Technical Perspective: Linking Form, Function, and Fabrication

To avoid costly feedback loops between design, engineering, and fabrication, research in computer graphics has recently tried to incorporate key aspects of function...

Spin-It
From Communications of the ACM

Spin-It: Optimizing Moment of Inertia for Spinnable Objects

In this article, we describe an algorithm to generate designs for spinning objects by optimizing their mass distribution.

From Communications of the ACM

Technical Perspective: Unexpected Connections

The inherent scalability of an interface is the focus of "The Scalable Commutativity Rule" by Austin T. Clements, et al.

The Scalable Commutativity Rule
From Communications of the ACM

The Scalable Commutativity Rule: Designing Scalable Software for Multicore Processors

This paper introduces an interface-driven approach to building scalable software.

From Communications of the ACM

Technical Perspective: IronFleet Simplifies Proving Safety and Liveness Properties

"IronFleet: Proving Safety and Liveness of Practical Distributed Systems," by Chris Hawblitzel, et al., describes mechanically checked proofs for two non-trivial...

IronFleet
From Communications of the ACM

IronFleet: Proving Safety and Liveness of Practical Distributed Systems

We demonstrate the methodology on a complex implementation of a Paxos-based replicated state machine library and a lease-based sharded key-value store. With our...

From Communications of the ACM

Technical Perspective: Building a Better Hash Function

In "Fast and Powerful Hashing Using Tabulation," Mikkel Thorup describes a variation of simple but surprisingly effective and powerful hash functions based on using...

Fast and Powerful Hashing Using Tabulation
From Communications of the ACM

Fast and Powerful Hashing Using Tabulation

We survey recent results on how simple hashing schemes based on tabulation provide unexpectedly strong guarantees.

From Communications of the ACM

Technical Perspective: Low-depth Arithmetic Circuits

The past few years have seen a revolution in our understanding of arithmetic circuits. "Unexpected Power of Low-Depth Arithmetic Circuits" by Gupta et al. on the...

Unexpected Power of Low-Depth Arithmetic Circuits
From Communications of the ACM

Unexpected Power of Low-Depth Arithmetic Circuits

Several earlier results have shown that it is possible to rearrange basic computational elements in surprising ways to give more efficient algorithms. The main...

From Communications of the ACM

Technical Perspective: What Led Computer Vision to Deep Learning?

We are in the middle of the third wave of interest in artificial neural networks as the leading paradigm for machine learning. "ImageNet Classification with Deep...

ImageNet Classification with Deep Convolutional Neural Networks
From Communications of the ACM

ImageNet Classification with Deep Convolutional Neural Networks

In the 1980s backpropagation did not live up to the very high expectations of its advocates. Twenty years later, we know what went wrong: for deep neural networks...

From Communications of the ACM

Technical Perspective: Building Knowledge Bases from Messy Data

"DeepDive: Declarative Knowledge Base Construction" is a prime example of groundbreaking work in the area of Knowledge Base Construction.

DeepDive
From Communications of the ACM

DeepDive: Declarative Knowledge Base Construction

We describe DeepDive, a system that combines database and machine learning ideas to help to develop knowledge base construction systems.

From Communications of the ACM

Technical Perspective: Functional Compilers

"Exploiting Vector Instructions with Generalized Stream Fusion" points out that stream fusion by itself is not well suited for generating bulk instructions such...

Exploiting Vector Instructions with Generalized Stream Fusion
From Communications of the ACM

Exploiting Vector Instructions with Generalized Stream Fusion

Programmers should not have to sacrifice code clarity or good software engineering practices to obtain performance. This work shows how to attain this goal for...
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