communications of the acm
Departments

5 Tapia Conference Letter Diverse Connections By David A. Patterson

6 Letters To The Editor Science Has Four Legs

9 In the Virtual Extension

News

13 The Eyes Have It

Eye-tracking control for mobile phones might lead to a new era of context-aware user interfaces. By Gregory Goth

Viewpoints

24 Emerging Markets

The Coming African Tsunami of Information Insecurity

As the affordability and use of mobile phones in Africa increase, so too will security vulnerabilities.

By Seymour Goodman and Andrew Harris

10 BLOG@CACM

Security Advice; Malvertisements; and CS Education in Qatar

Greg Linden discusses security advice and the cost of user effort; Jason Hong considers the increase in malvertisements; and Mark Guzdial writes about gender and CS education in Qatar.

28 Historical Reflections

IBM’s Single-Processor Supercomputer Efforts

Insights on the pioneering IBM Stretch and ACS projects.

By Mark Smotherman and Dag Spicer

12 CACM Online

School Grades Need Improvement By David Roman

31 Broadening Participation The Role of Hispanic-Serving Institutions in Contributing to an Educated Work Force Improving inclusiveness in computing education.

By Ann Quiroz Gates

29 Calendar

111 Careers

16 Topic Models Vs. Unstructured Data With topic modeling, scientists can explore and understand huge collections of unlabeled information. By Gary Anthes

Last Byte

126 Puzzled

Solutions and Sources By Peter Winkler

19 CSEd Week Expands Its Reach

The second Computer Science Education Week is showing students, parents, and educators why computer science is important. By Marina Krakovsky

34 The Profession of IT

The Long Quest for Universal Information Access

Digital object repositories are on the cusp of resolving the long-standing problem of universal information access in the Internet.

By Peter J. Denning and Robert E. Kahn

128 Future Tense

Rebirth of Worlds

Build a digital library of pioneering virtual worlds as a living laboratory of history and social science.

By Rumilisoun

20 The New Face of War With the introduction of the sophisticated Stuxnet worm, the stakes of cyberwarfare have increased immeasurably. By Samuel Greengard

37 Kode Vicious

Literate Coding

Spelling and grammar do matter. By George V. Neville-Neil

23 A Matter of Privacy

Do consumers have enough control over their personal information or is more government regulation needed?

By David Lindley

Association for Computing Machinery Advancing Computing as a Science & Profession

39 Viewpoint

We Need a Research Data Census The increasing volume of research data highlights the need for reliable, cost-effective data storage and preservation at the national scale. By Francine Berman

photograph by jalani morgan

The Role of Conference Publications in CS A bibliometric view of conference proceedings and journals. By Massimo Franceschet