Hello,

This is the weekly update from the Search Platform team for the week starting 2018-12-03.

As always, feedback and questions welcome.

== Discussions ==

=== Search === * Mathew and Gehel worked on setting up ElasticSearch on the new codfw servers [0] * Erik finished up the work to analyze wbsearchentities AB test from Nov/Dec and found that clicks@1 improved from 80% to 84% with no change to abandonment rate or number of characters type. [1] [2] * Lots of conversation from the team is on this ticket about building a pipeline to transform ElasticSearch queries with 'explain' enabled to see if we can get a tf graph out of it [3] * Mathew and Gehel collaborated on writing cookbooks to support Spicerack's ElasticSearch multi cluster/instance [4] * David worked on introducing rewrite/second-try strategies for search by externalizing the language detector creation, this code will go out on the train the week of December 10th [5] * Erik and the team worked on an A/B testing plan for wbsearchentities, context=item, in order to help with investigating user click data to help better tune the Wikidata search parameters [6]

[0] https://phabricator.wikimedia.org/T210265 [1] https://phabricator.wikimedia.org/F27421972 [2] https://phabricator.wikimedia.org/T211033 [3] https://phabricator.wikimedia.org/T208917 [4] https://phabricator.wikimedia.org/T207919 [5] https://phabricator.wikimedia.org/T204255 [6] https://phabricator.wikimedia.org/T209402

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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 Relations Specialist Wikimedia Foundation