Communications of the ACM

The Communications Web site, http://cacm.acm.org, features more than a dozen bloggers in the BLOG@CACM community. In each issue of Communications, we'll publish selected posts or excerpts.

twitter

Follow us on Twitter at http://twitter.com/blogCACM

http://...

With the help of supercomputers, scientists are now able to create models of large-scale astronomical events.

The eight-person winning team used original computer algorithms to narrow the search space and then relied on human observation to move the pieces into their final positions.

Online behavioral advertising and sophisticated data aggregation have changed the face of advertising and put privacy in the crosshairs.

ACM's Committee for Women in Computing(ACM-W) is widening its reach to involve women in industry as well as academia, including community college faculty and students.

A unique perspective on an evolving technology sector.

Sharing recent experiences with an online course.

Power, context, and control in networked publics.

Stopping to smell the code before wasting time reentering configuration data.

Examining the uneven patterns of Internet economics.

Experiences with electronic voting suggest elections should not be conducted via the Internet.

Viewing software engineering as a communicative art in which client engagement is essential.

An open standard that enables software-defined networking.

Increasing parallelism demands new paradigms.

A first step toward programming 21^st-century applications.

How to have the best of location-based services while avoiding the growing threat to personal privacy.

Traditional bias toward journals in citation databases diminishes the perceived value of conference papers and their authors.

Using real event data to X-ray business processes helps ensure conformance between design and reality.

Imagine money you can carry and spend without a trace.

Millions of computer end users need to perform tasks over large spreadsheet data, yet lack the programming knowledge to do such tasks automatically. We present a programming by example methodology that allows end users to automate such repetitive tasks. ...

Computer scientists have long believed that software is different from physical systems in one fundamental way: while the latter have continuous dynamics, the former do not. In this paper, we argue that notions of continuity from mathematical analysis ...

Welcome to three new puzzles. Each involves a collection of items, and your job is to find a subset of them that is characterized by a particular property. Since solving the puzzles is not easy, here are a couple of hints: For the first, think about ...