Hi Zhang,

Is this for English Wikipedia?

You can probably use automation to find the timestamp of an article's quality rating change on English Wikipedia. Other people on this list probably know how to do this, and they may comment here.

However, that does not imply that any paricular diffs should be considered to have a quality that is equivalent to the quality of the article. Measuring the quality of diffs is an inexact science, but you might want to take a look at Revision Scoring. Aaron Halfaker can tell you more about how useful, or not, Revision Scoring is for measuring the quality of diffs. Hopefully he will respond to this email.

Pine

On Jun 9, 2016 18:29, "Shiyue Zhang" <byryuer@gmail.com> wrote:

Hi, 

I'm doing research on Wikipedia article quality, and I take advantage of WikiProject Assessments. But I can only get the latest quality level of an article. I wonder how to  get the quality of each revision, or how to get the exact date when an article get a quality promotion, for example, from A-class to FA-class.

I really need your help! Thanks!

Zhang Shiyue

--

Zhang Shiyue

Tel: +86 18801167900

E-mail: byryuer@gmail.com, yuer3677@163.com

State Key Laboratory of Networking and Switching Technology

No.10 Xitucheng Road, Haidian District

Beijing University of Posts and Telecommunications

Beijing, China.

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