The mythical man-month (anniversary ed.)
The mythical man-month (anniversary ed.)
Slash(dot) and burn: distributed moderation in a large online conversation space
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Think different: increasing online community participation using uniqueness and group dissimilarity
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Modeling Online Browsing and Path Analysis Using Clickstream Data
Marketing Science
Creating, destroying, and restoring value in wikipedia
Proceedings of the 2007 international ACM conference on Supporting group work
Taking up the mop: identifying future wikipedia administrators
CHI '08 Extended Abstracts on Human Factors in Computing Systems
Strong regularities in online peer production
Proceedings of the 9th ACM conference on Electronic commerce
Articulations of wikiwork: uncovering valued work in wikipedia through barnstars
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Wikipedians are born, not made: a study of power editors on Wikipedia
Proceedings of the ACM 2009 international conference on Supporting group work
The singularity is not near: slowing growth of Wikipedia
Proceedings of the 5th International Symposium on Wikis and Open Collaboration
A jury of your peers: quality, experience and ownership in Wikipedia
Proceedings of the 5th International Symposium on Wikis and Open Collaboration
The work of sustaining order in wikipedia: the banning of a vandal
Proceedings of the 2010 ACM conference on Computer supported cooperative work
Measuring author contributions to the Wikipedia
WikiSym '08 Proceedings of the 4th International Symposium on Wikis
Trace Ethnography: Following Coordination through Documentary Practices
HICSS '11 Proceedings of the 2011 44th Hawaii International Conference on System Sciences
Finding patterns in behavioral observations by automatically labeling forms of wikiwork in Barnstars
Proceedings of the 7th International Symposium on Wikis and Open Collaboration
Don't bite the newbies: how reverts affect the quantity and quality of Wikipedia work
Proceedings of the 7th International Symposium on Wikis and Open Collaboration
Tell me more: an actionable quality model for Wikipedia
Proceedings of the 9th International Symposium on Open Collaboration
VidWiki: enabling the crowd to improve the legibility of online educational videos
Proceedings of the 17th ACM conference on Computer supported cooperative work & social computing
The identification of deviance and its impact on retention in a multiplayer game
Proceedings of the 17th ACM conference on Computer supported cooperative work & social computing
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Many quantitative, log-based studies of participation and contribution in CSCW and CMC systems measure the activity of users in terms of output, based on metrics like posts to forums, edits to Wikipedia articles, or commits to code repositories. In this paper, we instead seek to estimate the amount of time users have spent contributing. Through an analysis of Wikipedia log data, we identify a pattern of punctuated bursts in editors' activity that we refer to as edit sessions. Based on these edit sessions, we build a metric that approximates the labor hours of editors in the encyclopedia. Using this metric, we first compare labor-based analyses with output-based analyses, finding that the activity of many editors can appear quite differently based on the kind of metric used. Second, we use edit session data to examine phenomena that cannot be adequately studied with purely output-based metrics, such as the total number of labor hours for the entire project.