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Communications of the ACM

Table of Contents

DEPARTMENT: Departments

Advancing Computing as a Science and Profession–But to What End?

It is time to revisit and update the purpose of ACM. It must be "to advance the science and profession of computing for the public good."
DEPARTMENT: Letters to the editor

Conferences and Carbon Impact

Moshe Vardi suggests in his January 2020 column that ACM conferences do more to support remote participation. I have several concerns about his proposals.

Coding for Voting

Robin K. Hill explains the ethical responsibility of the computing professional with respect to voting systems.

Can Nanosheet Transistors Keep Moore's Law Alive?

The technology promises to advance semiconductors and computing, but also introduces new questions and challenges.

Algorithms to Harvest the Wind

Wake steering can help ever-larger turbines work together more efficiently on wind farms.

Across the Language Barrier

Translation devices are getting better at making speech and text understandable in different languages.
COLUMN: Education

Computing and Community in Formal Education

Culturally responsive computing repurposes computer science education by making it meaningful to not only students, but also to their families and communities.
COLUMN: The profession of IT

Dilemmas of Artificial Intelligence

Artificial intelligence has confronted us with a raft of dilemmas that challenge us to decide what values are important in our designs.
COLUMN: Viewpoint

Through the Lens of a Passionate Theoretician

Considering the far-reaching and fundamental implications of computing beyond digital computers.

Four Internets

Considering the merits of several models and approaches to Internet governance.

Unsafe At Any Level

The U.S. NHTSA's levels of automation are a liability for automated vehicles.

Conferences in an Era of Expensive Carbon

Balancing sustainability and science.
SECTION: Practice

Securing the Boot Process

The hardware root of trust.

Above the Line, Below the Line

The resilience of Internet-facing systems relies on what is above the line of representation.
SECTION: Contributed articles

Crowdsourcing Moral Machines

A platform for creating a crowdsourced picture of human opinions on how machines should handle moral dilemmas.

The BBC micro:bit – From the U.K. to the World

A codable computer half the size of a credit card is inspiring students worldwide to develop core computing skills in fun and creative ways.

Spotify Guilds

When the value increases engagement, engagement increases the value.
SECTION: Review articles

Editing Self-Image

Technologies for manipulating our digital appearance alter the way the world sees us as well as the way we see ourselves.

Toward Model-Driven Sustainability Evaluation

Exploring the vision of a model-based framework that may enable broader engagement with and informed decision making about sustainability issues.
SECTION: Research highlights

Technical Perspective: A Perspective on Pivot Tracing

Instead of handing trace records off to a collector for long-term storage and future processing, the system described in "Pivot Tracing: Dynamic Causal Monitoring for Distributed Systems," by Jonathan Mace, et al., installs continuous …

Pivot Tracing: Dynamic Causal Monitoring for Distributed Systems

This paper presents Pivot Tracing, a monitoring framework for distributed systems, which addresses the limitations of today's monitoring and diagnosis tools by combining dynamic instrumentation with a novel relational operator …
COLUMN: Last byte

Stopping Tyranny

A compromise proposal toward a solution to making it impossible for a would-be tyrant to exceed reasonable authority.