Discovery/Status updates/2017-07-10

This is the weekly update for the week starting 2017-07-10

Highlights

After extensive help and feedback from the Japanese Wikipedia community, we decided not to deploy the new Japanese language analyzer. (T166731)
Did some quick analysis of the RelForge impact of initial learning-to-rank model (task T169103)
Completed a high level task of organizing necessary adjustments to the ElasticsSearch learning-to-rank plugin(task T162062)
Updated the Wikidata code to take advantage of nested fields noop script (task T166589)
Analyzing the new Kuromoji Japanese language analyzer is done, just waiting to merge the updated configuration (task T166731#3439190)
A/B test for the new search results Explore Similar feature continues (task T149809) after fixing a minor bug

To track sister project search feature, the Search Metrics dashboard now shows traffic to various Wikimedia projects from Wikipedia search results pages: https://discovery.wmflabs.org/metrics/#sister_search_traffic
We found what lowered full-text search PaulScores – it was a change of event logging sampling rates (decreasing enwiki and increasing all other wikis). (T168466)

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