Dominant Features
The number of quality tags and the time between annotations and edits were found to be dominant features in making predictions. Users who took more time between annotations were more likely to be super experts, while those who made edits quickly were also more likely to be super experts. The quality of annotations and the amount of time taken to write them were important factors in determining expertise.In this clip
From this podcast

Data Skeptic
Crowdsourced Expertise
Related Questions