By Finn Kuusisto, June 2012
Full text also available in the ACM Digital Library as PDF | HTML | Digital Edition
Tags: Collaborative and social computing systems and tools, Information retrieval, World Wide Web
Thank you for your interest in this article. This content is protected. You may log in with your ACM account or subscribe to access the full text.
About XRDS | About the Editors | Renew Membership | Subscribe | Sign In | Information for Authors | Privacy | Site Map | Help | Contact Us | Advertise