Dell Zhang
ABSTRACT
In this paper, we use the technique of survival analysis to investigate how long Wikipedia editors remain active in editing. Our results show that although the survival function of occasional editors roughly follows a lognormal distribution, the survival function of customary editors can be better described by a Weibull distribution (with the median lifetime of about 53 days). Furthermore, for customary editors, there are two critical phases (0-2 weeks and 8-20 weeks) when the hazard rate of becoming inactive increases. Finally, customary editors who are more active in editing are likely to keep active in editing for longer time.
- S. L. Bryant, A. Forte, and A. Bruckman. Becoming wikipedian: transformation of participation in a collaborative online encyclopedia. In Proceedings of the 2005 International ACM SIGGROUP Conference on Supporting Group Work (GROUP), pages 1--10, Sanibel Island, FL, USA, 2005. Google Scholar
Digital Library
- G. L. Ciampaglia and A. Vancheri. Empirical analysis of user participation in online communities: the case of Wikipedia. In Proceedings of the 4th International Conference on Weblogs and Social Media (ICWSM), pages 219--222, Washington, DC, USA, 2010.Google Scholar
- A. Clauset, C. R. Shalizi, and M. E. J. Newman. Power-law distributions in empirical data. SIAM Review, 51(4):661--703, 2009. Google ScholarDigital Library
- A. Halfaker, A. Kittur, and J. Riedl. Don't bite the newbies: How reverts affect the quantity and quality of Wikipedia work. In Proceedings of the 7th International Symposium on Wikis and Open Collaboration (WikiSym), pages 163--172, Mountain View, CA, USA, 2011. Google ScholarDigital Library
- D. W. Hosmer, S. Lemeshow, and S. May. Applied Survival Analysis: Regression Modeling of Time to Event Data. Wiley-Interscience, 2nd edition, 2008. Google ScholarDigital Library
- D. Kleinbaum and M. Klein. Survival Analysis: A Self-Learning Text. Springer, 3rd edition, 2011.Google Scholar
- F. Ortega. Wikipedia: A Quantitative Analysis. PhD thesis, Universidad Rey Juan Carlos, 2009.Google Scholar
- F. Ortega and D. Izquierdo-Cortazar. Survival analysis in open development projects. In Proceedings of the 2nd International Workshop on Emerging Trends in Free/Libre/Open Source Software Research and Development (FLOSS), pages 7--12, Vancouver, Canada, 2009. Google ScholarDigital Library
- K. A. Panciera, A. Halfaker, and L. G. Terveen. Wikipedians are born, not made: a study of power editors on Wikipedia. In Proceedings of the 2009 International ACM SIGGROUP Conference on Supporting Group Work (GROUP), pages 51--60, Sanibel Island, FL, USA, 2009. Google ScholarDigital Library
- J. E. Pitkow and P. Pirolli. Life, death, and lawfulness on the electronic frontier. In CHI, pages 383--390, Atlanta, GA, USA, 1997. Google ScholarDigital Library
- R. Priedhorsky, J. Chen, S. K. Lam, K. A. Panciera, L. G. Terveen, and J. Riedl. Creating, destroying, and restoring value in Wikipedia. In Proceedings of the 2007 International ACM SIGGROUP Conference on Supporting Group Work (GROUP), pages 259--268, Sanibel Island, FL, USA, 2007. Google ScholarDigital Library
- B. Suh, G. Convertino, E. H. Chi, and P. Pirolli. The singularity is not near: Slowing growth of Wikipedia. In Proceedings of the 2009 International Symposium on Wikis (WikiSym), Orlando, FL, USA, 2009. Google ScholarDigital Library
Index Terms
- How long do Wikipedia editors keep active?
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