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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


Quantum Computing Claims Produce ­Uncertainty
From ACM News

Quantum Computing Claims Produce ­Uncertainty

A Canadian company developing a quantum computer made news in May when it sold a system to defense manufacturer Lockheed-Martin for $10 million, though skeptics...

Finding Experts: It's Who You Know
From ACM News

Finding Experts: It's Who You Know

While current expert-finding methods provided the best expert in six out of 10 searches, a new user-oriented method finds the best one nine times out of 10, according...

Sorting Through Photos
From Communications of the ACM

Sorting Through Photos

Teaching computers to understand pictures could lead to search engines capable of identifying and organizing large datasets of visual information.

Twitter as Medium and Message
From Communications of the ACM

Twitter as Medium and Message

Researchers are mining Twitter's vast flow of data to measure public sentiment, follow political activity, and detect earthquakes and flu outbreaks.

Information Theory After Shannon
From Communications of the ACM

Information Theory After Shannon

Purdue University's Science of Information Center seeks new principles to answer the question 'What is information?'

Wide Open Spaces
From Communications of the ACM

Wide Open Spaces

The U.S. Federal Communications Commission's decision to open frequencies in the broadcast spectrum could enable broadband networks in rural areas, permit smart...

Cycling Through Data
From Communications of the ACM

Cycling Through Data

Sensor-equipped bicycles are providing valuable data to cyclists, city planners, and computer scientists.

Straightening Out Heavy Tails
From Communications of the ACM

Straightening Out Heavy Tails

A better understanding of heavy-tailed probability distributions can improve activities from Internet commerce to the design of server farms.

New Search Challenges and Opportunities
From Communications of the ACM

New Search Challenges and Opportunities

If search engines can extract more meaning from text and better understand what people are looking for, the Web's resources could be accessed more effectively.
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