02/2011

VoL.; 54;No.;02

Practice

44 Finding Usability Bugs with Automated Tests Automated usability tests can be valuable companions to in-person tests.

By Julian Harty

50 A Plea from Sysadmins to Software Vendors: 10 Do’s and Don’ts What can software vendors do to make the lives of system administrators a little easier?

By Thomas A. Limoncelli

52 System Administration Soft Skills How can system administrators reduce stress and conflict in the workplace?

By Christina Lear

Articles’ development led by queue.acm.org

Contributed Articles

60 Vision-Based Hand-Gesture Applications

Body posture and finger pointing are a natural modality for human-machine interaction, but first the system must know what it’s seeing. By Juan Pablo Wachs, Mathias Kölsch, Helman Stern, and Yael Edan

72 Structured Data on the Web Google’s Web Tables and Deep Web Crawler identify and deliver this otherwise inaccessible resource directly to end users.

By Michael J. Cafarella, Alon Halevy, and Jayant Madhavan

10 Scientific Problems in Virtual Reality Modeling real-world objects requires knowing the physical forces shaping the world and the perception shaping human behavior. By Qinping Zhao

Review Articles

80 Still Building the Memex

What would it take for a true personal knowledge base to generate the benefits envisioned by Vannevar Bush?

By Stephen Davies

Are the OECD Guidelines at 30 Showing Their Age? Created to protect the transborder flow of personal data, the OECD Guidelines are in need of some updating. By David Wright, Paul De Hert, and Serge Gutwirth