Systems and Networking – Page 3 – Communications of the ACM

Research Highlights Dec 13 2023

Maximum Flow Through a Network: A Storied Problem and a Groundbreaking Solution

“Almost-Linear-Time Algorithms for Maximum Flow and Minimum-Cost Flow,” by Li Chen et al., comes within striking distance of answering the question: “Does maximum flow have a scalable algorithm?”

Shang-Hua Teng

Research Highlights Dec 13 2023

Almost-Linear-Time Algorithms for Maximum Flow and Minimum-Cost Flow

We present an algorithm that computes exact maximum flows and minimum-cost flows on directed graphs with m edges and polynomially bounded integral demands, costs, and capacities in m1+o(1) time.

high speed light streaks, glow lines, illustration

News Dec 1 2023

Tales of Topological Qubits

Emulating the behavior of exotic quantum states may give quantum computing a better way of squeezing out troublesome noise and errors.

Chris Edwards

chip facsimile on a 3D block, illustration

News Nov 28 2023

Seeing the Light

Shining a light on light-based computing.

John Delaney

Credit: Shutterstock optical communications concept, illustration

BLOG@CACM Nov 28 2023

What Does Digitization Mean, and When Did It Begin?

Digitization is on everyone's lips. What does digitization mean and when did it begin?

Herbert Bruderer

BLOG@CACM Nov 1 2023

All Photos are Fake Until Proven Real

The blurred lines of photographic reality in the AI Era.

Carlos Baquero

News Nov 1 2023

Quantum Speedup for the Fast Fourier Transform?

It is difficult to improve on the widely used, already-efficient algorithm.

Don Monroe

News Nov 1 2023

What’s Old Is New Again

Analog computing offers one possible solution to the downsides of digital computing.

Logan Kugler

EAI analog computer installation at the German Aerospace Center

Opinion Nov 1 2023

Machine Learning Sensors

A design paradigm for the future of intelligent sensors.

house sits on a circuit board, both covered in numbers, illustration

Opinion Nov 1 2023

The Infrapolitics of Algorithmic Resistance

Exploring the complex interactions between humans and machines governed by algorithms.

Ricardo Fabrino Mendonça, Fernando Filgueiras, and Virgílio Almeida

a wagon sits in the near-empty Pariser Platz in Berlin, Germany

News Oct 31 2023

Cybercrime Enablers

Initial Access Brokers sell unauthorized access.

David Geer

Credit: Getty Images tech system opening, illustration

BLOG@CACM Oct 19 2023

How to Ace IT Product Localization: The 101 Guide

Unlock global success with IT product localization. Discover how you can expand your reach and boost customer satisfaction through effective localization strategies.

Alex Tray

BLOG@CACM Oct 16 2023

The Israeli Social Protest from a Data Science Perspective: Part One

The challenge of data.

Orit Hazzan

News Oct 5 2023

Looking Within

Understanding what is taking place inside the human body is at the heart of medicine. For centuries, scientists have looked for better ways to detect problems, conditions, and diseases ranging from high blood pressure to cancer. An array of sensing devices—from thermometers and blood pressure cuffs to blood oximeters—have made it easier to monitor vital […]

Samuel Greengard

Research Highlights Oct 1 2023

Technical Perspective: Sensing Interaction with Everyday Objects Using Near-Field Communication in Textiles

"Locating Everyday Objects Using NFC Textiles," by Jingxian Wang et al., describes the potential of Near-Field Communication for advanced home automation.

Polly Huang

two handheld devices emit wireless waves, illustration

Opinion Oct 1 2023

The Dilemma of Scale

The barriers to information generation and sharing have plummeted; information consumers can choose among billions of potential sources. This is information at scale.

Vinton G. Cerf

News Oct 1 2023

Biomedical Digital Twins

Considering the transformative possibilities of simulated models of biological phenomena and systems at multiple scales.

Gregory Mone

side-by-side images of a human heart, illustration

News Oct 1 2023

Using Psychology to Bolster Cybersecurity

Getting into the minds of attackers to protect the enterprise.

David Geer

Opinion Oct 1 2023

Generative AI as a New Innovation Platform

Considering the stability and longevity of a potential new foundational technology.

Michael A. Cusumano

Opinion Oct 1 2023

Certification of Safety-Critical Systems

Seeking new approaches toward ensuring the safety of software-intensive systems.

Nancy G. Leveson and John P. Thomas

computer icon atop a world map representation, illustration

Opinion Oct 1 2023

How Software Stifles Competition and Innovation

Factoring the slowing up of startups.

James Bessen

origami boats fall off a waterfall into a chasm, illustration

Research Highlights Oct 1 2023

Locating Everyday Objects Using NFC Textiles

This paper builds a Near-Field Communication-based localization system that allows ordinary surfaces to locate surrounding objects with high accuracy in the near-field.

furniture emits radio waves while dog sleeps

BLOG@CACM Sep 12 2023

The Life-or-Death Importance of Medical Device Security

Cybersecurity was not always top of mind when these devices were being created.

Alex Vakulov

News Sep 1 2023

Historic Algorithms Help Unlock Shortest-Path Problem Breakthrough

By revisiting key algorithms from computing, a team unlocked hidden efficiency in a long-standing computer science problem.

Chris Edwards

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