Research:Daily unique media creators
Daily unique media creators
SpecificationA is a user who completed at least media creations on date .
- = 1 media creation
MeasuresEditing population size
SET @date = "20140101"; SET @n = 1; SELECT COUNT(*) FROM ( SELECT upload.log_user, COUNT(*) AS media_creations FROM ( SELECT * FROM logging WHERE log_type = "upload" AND log_action = "upload" AND log_timestamp BETWEEN @date AND DATE_FORMAT(DATE_ADD(@date, INTERVAL 1 DAY), "%Y%m%d%H%i%S") ) AS upload LEFT JOIN logging old_upload ON old_upload.log_type = "upload" AND old_upload.log_action = "upload" AND old_upload.log_timestamp < @date AND upload.log_namespace = old_upload.log_namespace AND upload.log_title = old_upload.log_title WHERE old_upload.log_id IS NULL GROUP BY 1 ) media_creators WHERE media_creations >= @n;
Daily unique media creators is a standardized metric used to measure the number unique media uploaders in a given day (re-uploads/overwrites excluded). It's used as a proxy for overall Contribution.
Identifying media creationsEdit
Since 2004, the
logging table has maintained a history of "uploads" to MediaWiki instances. Using this table, we identify media creations as the first instance of
log_type = "upload" AND log_action = "upload" for a given filename (
As this is a daily metric, a full 24 hours must elapse after the beginning of the date (UTC) in order to calculate an uncensored value.