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ja-N この利用者は日本語母語としています。
en-2 This user has intermediate knowledge of English.
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At Meta, I have been involved in writing up about research sprints, translating documents and messages. See also my WikiCV.

Alternative accounts[edit]

Here is a list of accounts I have used.

  • User:Whym - most of my activities, including the work for the WMF, is done under this account.
  • User:Whymbot - bot for repetitive minor edits and other routine works.
  • User:ArchiverBot - bot for talk page archiving.
  • en:User:Ymatsubara - for the sole purpose of using researcher access in WSoR 2011.
  • en:User:Whooym - for avoiding the naming conflict in certain wikis in the past.

My research sprints and software tools[edit]


  • WikiHadoop - a Hadoop module to easily split and distribute compressed MediaWiki dump XMLs to a number of computing nodes.
  • RevDiffSearch - a full-text search system to enable efficiently finding revisions containing a given text fragment.
  • WikiSentiment - a sentiment analysis system to classify talk page messages by learning from coded messages.


Wikidoop Barnstar

I award you the Wikidoop Barnstar for your tireless work on getting Hadoop and the Wikimedia XML files to live peacefully together. Drdee 13:46, 21 July 2011 (UTC)