Discovery September 2016

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Discovery Weekly Update for the week starting 2016-08-29
by Chris Koerner 02 Sep '16

02 Sep '16

Hello, It's Friday where I'm at. I hope you have a good weekend. Here is this week's update from the Discovery department. == Analysis == * add a 'most commonly clicked section per visit' metric on Portal dashboard [1] [2] == Search == * a small subsection of the team met to go over the upcoming Discernatron demo / luncheon and how we can improve the user interface for it [3] * turned on BM25 A/B test after re-indexing the codfw seach cluster first [4] [5] * worked on updating the prose and user flow of the Discernatron introduction and instructions page [6] [3] * added patch to ensure timeouts always work on CirrusSearch [7] * evaluated BM25 with new fulltext query and weighted sum with PaulScore and Discernatron [8] * added patch to properly handle acronyms in fulltext query builder [9] * tested and analyzed the effect of adding ascii-folding to fr.wiki [10] * Use top_terms_blended_freq for wildcard queries [11] * updated fulltext query builder to enhance title [12] * turned off 'did you mean' on Wikidata [13] == Maps == * We tried to enable <maplink> on every Wikipedia, but ran into some blockers. Will try again next week. Track it at phab:T144062 [14] [1] https://phabricator.wikimedia.org/T141061 [2] http://discovery.wmflabs.org/portal/#most_common [3] https://discernatron.wmflabs.org/ [4] https://phabricator.wikimedia.org/T143586 [5] https://phabricator.wikimedia.org/T143590 [6] https://phabricator.wikimedia.org/T133359 [7] https://phabricator.wikimedia.org/T143006 [8] https://phabricator.wikimedia.org/T139579 [9] https://phabricator.wikimedia.org/T143541 [10] https://phabricator.wikimedia.org/T142620 [11] https://phabricator.wikimedia.org/T143537 [12] https://phabricator.wikimedia.org/T143537 [13] https://phabricator.wikimedia.org/T143260 [14] https://phabricator.wikimedia.org/T144062 ---- The full update, and archive of past updates, can be found on Mediawiki.org: https://www.mediawiki.org/wiki/Discovery/Status_updates Interested in getting involved? See tasks marked as Easy or volunteer needed in Phabricator. [1] https://phabricator.wikimedia.org/maniphest/query/qW51XhCCd8.7/#R [2] https://phabricator.wikimedia.org/maniphest/query/5KEPuEJh9TPS/#R -- Yours, Chris Koerner Community Liaison - Discovery Wikimedia Foundation

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Training bias in machine learning
by Pine W 01 Sep '16

01 Sep '16

Perhaps of interest: http://www.seattletimes.com/business/microsoft/how-linkedins-search-engine-… "“Histories of discrimination can live on in digital platforms,” Kate Crawford, a Microsoft researcher, wrote <http://www.nytimes.com/2016/06/26/opinion/sunday/artificial-intelligences-w…> in The New York Times earlier this year. “And if they go unquestioned, they become part of the logic of everyday algorithmic systems.”" Pine

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Discovery September 2016