Revision 104147 of "User:Ahalfaker" on foundationwiki{{user info
| full name = Aaron <span style="border: 1px solid #666;margin-right: 1px;padding: 0px 2px; border-radius: .2em;">Halfak</span>er
| image name = Halfaker,_Aaron_Sept_2013.jpg
| hover text = Aaron Halfaker, Science Man
| job title = Senior Research Scientist
| organization = Wikimedia Foundation
| short quote = ''Think big. Measure what you can. Build better technologies.''
| about me = Hi. I'm [[:en:Aaron Halfaker|Aaron Halfaker]]. I'm a scientist. See [[#Projects|projects]] and [[#Publications|publications]] below. I've been a Wikipedian since 2008. I mostly build tools and run studies, but I make edits where I can. In 2011, I started working with the Wikimedia Foundation as a [[:en:Scientist|research scientist]]. This is my staff account. See my volunteer account, [[User:EpochFail]], for my non-staff work.
| about my work = I use the scientific method to explore the structure and function of open knowledge projects like Wikipedia. My goal is to identify problems/opportunities and to use this knowledge to improve/extend the [[:en:Sociotechnical system|socio-technical]] infrastructure that makes them work. See [[:m:Research:The Rise and Decline|The Rise and Decline]] for an example of my research and [[:m:Research:Revision scoring as a service|Revision scoring as a service]] for an example of an experimental technology I'm actively working on.
| contact me =
* E-mail: ahalfaker{{@}}wikimedia.org
* Website: [http://halfaker.info http://halfaker.info]
* Twitter: [http://twitter.com/halfak http://twitter.com/halfak]
* On IRC, I go by "halfak".
}}
== Projects ==
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=== Active ===
''Active projects that I am currently working on:''
* [[:m:Research:Revision scoring as a service|Revision scoring as a service]]
* [[:m:Research:Active editor spike 2015|Active editor spike 2015]] (running an update)
* [[:m:Research:Measuring edit productivity|Measuring edit productivity]]
* [[:m:Grants:IEG/WikiBrainTools|WikiBrainTools]] (advising)
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=== Backburner ===
''Projects that I've started, but had to put down for the moment:''
* [[:m:Grants:IEG/Automated Notability Detection|Automated Notability Detection]] (advising)
* [[:m:Grants:IEG/Editor Interaction Data Extraction and Visualization|Editor Interaction Data Extraction and Visualization]]
* [[:m:Research:Anonymous mobile editing in Italian Wikipedia|Anonymous mobile editing in Italian Wikipedia]]
* [[:m:Research:Mobile anonymous apocalypse|Mobile anonymous apocalypse]]
* [[:m:Research:WikiCredit: Measuring value added to Wikipedia|WikiCredit: Measuring value added to Wikipedia]]
* [[:m:Research:Measuring article importance|Measuring article importance]]
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=== Completed ===
''Completed research projects and reports:''
* [[:m:Research:VisualEditor's effect on newly registered editors/May 2015 study|VisualEditor's effect on newly registered editors (May, 2015)]]
* [[:m:Research:Task recommendations|Task recommendations]]
* [[:m:Research:Asking anonymous editors to register|Asking anonymous editors to register]]
* [[:m:Research:AfC processes and productivity|AfC processes and productivity]]
* [[:m:Research:Onboarding new Wikipedians/Rollout|Onboarding new Wikipedians (Rollout)]]
* [[:m:Research:Wikipedia article creation|Wikipedia article creation]]
* [[:m:Research:Anonymous editor acquisition/Volume|Anonymous editor acquisition (Volume)]]
* [[:m:Research:Module storage performance|Module storage performance]]
{{hidden|more (12)|
* [[:m:Research:Onboarding new Wikipedians/OB6|Onboarding new Wikipedians (OB6 experiment)]]
* [[:m:Research:Notifications/Experiment 1|Notifications experiment]]
* [[:m:Research:VisualEditor's effect on newly registered editors/June 2013 study|VisualEditor's effect on newly registered editors (June, 2013)]]
* [[:m:Research:Article feedback/Final quality assessment|Article feedback (Final quality assessment)]]
* [[:m:Research:Article feedback/Stage 3/Conversion and newcomer quality|Article feedback (Conversion and newcomer quality)]]
* [[:m:Research:Article feedback/Stage 2/Quality assessment|Article feedback (Quality assessment v2)]]
* [[:m:Research:Article feedback/Quality assessment|Article feedback (Quality assessment v1)]]
* [[:m:Research:The Rise and Decline|The Rise and Decline]]
* [[:m:Research:New editors' first session and retention|New editors' first session and retention]]
* [[:m:Research:Patroller_work_load|Patroller work load]]
* [[:m:Research:Vandal fighter work load|Vandal fighter work load]]
* [[:m:Research:Newbie reverts and article length|Newbie reverts and article length]]
}}
|}
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''Last update: 15:19, 9 July 2015 (UTC)''
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== Publications ==
=== Peer reviewed ===
*'''Halfaker, A.''', Keyes, O., Kluver, D., Thebault-Spieker, J., Nguyen, T., Shores, K., Uduwage, A., Warncke-Wang, M. (2015). User Session Identification Based on Strong Regularities in Inter-activity Time, WWW'15. ACM. [http://arxiv.org/pdf/1411.2878v1.pdf pdf])
* Morgan, J. T., '''Halfaker, A.''', Taraborelli, D., Hwang, T., & Goggins, S. (2015). Advancing an Industry/Academic Partnership Model for Open Collaboration Research. ''CSCW'15''. [[:m:Research:Open Collaboration Systems Workshop]]
*Schneider, J., Gelley, B., '''Halfaker, A.''' (2014). Accept, decline, postpone: How newcomer productivity is reduced in English Wikipedia by pre-publication review, OpenSym'14. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/Accept_Decline_Postpone/schneider14accept.pdf pdf])
*'''Halfaker, A.''', Geiger, R.S., & Terveen, L. (2014). [http://www-users.cs.umn.edu/~halfak/publications/Snuggle/ Snuggle: Designing for Efficient Socialization and Ideological Critique] CHI'14. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/Snuggle/halfaker14snuggle-personal.pdf pdf])
*Geiger, R.S., & '''Halfaker, A.''' (2013). When the Levee Breaks: Without Bots, What Happens to Wikipedia’s Quality Control Processes? WikiSym'13. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/When_the_Levee_Breaks/geiger13levee-preprint.pdf pdf])
*'''Halfaker, A.''', Keyes, O., & Taraborelli, D. (2013). [http://halfaker.info/publications/Making_Peripheral_Participation_Legitimate Making peripheral participation legitimate: Reader engagement experiments in Wikipedia] CSCW'13. ([http://www-users.cs.umn.edu/~halfak/publications/Making_Peripheral_Participation_Legitimate/halfaker13making-preprint.pdf pdf])
*Geiger, R. S. & '''Halfaker, A.''' (2013). Using Edit Session to Measure Participation in Wikipedia CSCW'13. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/Using_Edit_Sessions_to_Measure_Participation_in_Wikipedia/geiger13using-preprint.pdf pdf])
*'''Halfaker, A.''', Geiger, R. S., Morgan, J., & Riedl, J. (2013). [http://halfaker.info/publications/The_Rise_and_Decline The Rise and Decline of an Open Collaboration System: How Wikipedia's reaction to sudden popularity is causing its decline]. ''American Behavioral Scientist''. ([http://www-users.cs.umn.edu/~halfak/publications/The_Rise_and_Decline/halfaker13rise-preprint.pdf pdf])
*Geiger, R. S., '''Halfaker, A.''', Pinchuk, M., & Walling, S. (2012). Defense Mechanism or Socialization Tactic? Improving Wikipedia’s Notifications to Rejected Contributors. ''ICWSM’12''. ([http://files.grouplens.org/papers/defense-mechanism-icwsm.pdf pdf])
*'''Halfaker, A.''', Kittur, A., & Riedl, J. (2011). [http://halfaker.info/publications/Don't_Bite_the_Newbies Don't Bite the Newbies: How Reverts Affect the Quantity and Quality of Wikipedia Work], ''WikiSym’11''. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/Don't_Bite_the_Newbies/halfaker11bite-personal.pdf pdf])
*'''Halfaker, A.''', Song, B., Stuart, D. A., Kittur, A., & Riedl, J. (2011). [http://halfaker.info/publications/NICE NICE: Social translucence through UI intervention], ''WikiSym’11''. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/NICE/halfaker11nice-personal.pdf pdf])
*Panciera, K., '''Halfaker, A.''', & Terveen, L. (2009). [http://www.grouplens.org/node/415 Wikipedians are born, not made: A study of power editors on Wikipedia], ''GROUP’09''. ACM. ([http://www.grouplens.org/system/files/Group09WikipediansPanciera.pdf pdf])
*'''Halfaker, A.''', Kittur, A., Kraut, R., & Riedl, J. (2009). [http://halfaker.info/publications/A_Jury_of_Your_Peers A Jury of Your Peers: Quality, Experience and Ownership in Wikipedia], ''WikiSym’09''. ACM. ([http://www-users.cs.umn.edu/~halfak/publications/A_Jury_of_Your_Peers/halfaker09jury-personal.pdf pdf])
=== Other ===
* English Wikipedia newcomer quality over time ([[:meta:Research:Newcomer quality|writeup]], [http://blog.wikimedia.org/2012/03/27/analysis-of-the-quality-of-newcomers-in-wikipedia-over-time/ blog])
* '''Halfaker, A.''', Riedl, J. [http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6163451 Bots & Cyborgs: Wikipedia's Immune System], 2011. ''IEEE Computing'', 45(3), 79-82.
[[Category:Wikimedia Foundation staff]]
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