File:Aaron Halfaker on Engineering Open Production Efficiency at Scale.webm

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Description

Wikipedia, largely used as a synecdoche for open production generally, is a large, complex, distributed system that needs to solve a set of "open problems" efficiently in order to thrive. In this talk, I'll use the metaphor of biology as a "living system" to discuss the relationship between subsystem efficiency and the overall health of Wikipedia. Specifically, I'll describe Wikipedia's quality control subsystem and some trade-offs that were made in order to make this system efficient through the introduction of subjective algorithms and human computation. Finally, I'll use critiques waged by feminist HCI to argue for a new strategy for increasing the adaptive capacity of this subsystem and speak generally about improving the practice of applying subjective algorithms in social spaces. Live demo included!

About Aaron

Aaron Halfaker is an American computer scientist who is an employee of the Wikimedia Foundation. Halfaker earned a Ph.D. in computer science from the GroupLens research lab at the University of Minnesota in 2013. He is known for his research on Wikipedia and the decrease in the number of active editors of the site. He has said that Wikipedia began a "decline phase" around 2007 and has continued to decline since then. Halfaker has also studied automated accounts on Wikipedia, known as "bots", and the way they affect new contributors to the site. He has developed a tool for Wikipedia editing called "Snuggle", the goal of which is to eliminate vandalism and spam, and to also highlight constructive contributions by new editors. He has also built an artificial intelligence engine for Wikipedia to use to identify vandalism.

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https://cyber.law.harvard.edu/events/luncheons/2016/02/Halfaker

Summary: https://civic.mit.edu/blog/natematias/designing-the-numbers-that-govern-wikipedia-aaron-halfaker-on-machine-learning-in
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Source https://www.youtube.com/watch?v=nMnUjIh6FUg
Author BerkmanCenter

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This file, which was originally posted to https://www.youtube.com/watch?v=nMnUjIh6FUg, was reviewed on 11 February 2016 by reviewer Yann, who confirmed that it was available there under the stated license on that date.

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Date/TimeThumbnailDimensionsUserComment
current21:05, 5 February 20161 h 8 min 35 s, 1,280 × 720 (184 MB)Atlasowa (talk | contribs)Imported media from https://www.youtube.com/watch?v=nMnUjIh6FUg

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Format Bitrate Download Status Encode time
VP9 720P 304 kbps Completed 15:24, 16 August 2018 51 min 48 s
Streaming 720p (VP9) 210 kbps Completed 01:16, 25 January 2024 8.0 s
VP9 480P 223 kbps Completed 15:16, 16 August 2018 49 min 50 s
Streaming 480p (VP9) 129 kbps Completed 11:36, 17 December 2023 6.0 s
VP9 360P 172 kbps Completed 14:57, 16 August 2018 31 min 30 s
Streaming 360p (VP9) 78 kbps Completed 18:23, 18 December 2023 4.0 s
VP9 240P 143 kbps Completed 14:51, 16 August 2018 27 min 56 s
Streaming 240p (VP9) 50 kbps Completed 12:57, 9 December 2023 4.0 s
WebM 360P 549 kbps Completed 09:24, 26 January 2017 1 h 8 min 7 s
Streaming 144p (MJPEG) 1 Mbps Completed 17:08, 29 October 2023 2 min 29 s
Stereo (Opus) 90 kbps Completed 15:50, 13 November 2023 1 min 4 s
Stereo (MP3) 128 kbps Completed 06:55, 29 October 2023 1 min 32 s