You can read more about at https://team.inria.fr/coast/vinh-dang-quang-defended-his-phd-trust-assessment-in-large-scale-collaboration/
My thesis can be found at https://hal.archives-ouvertes.fr/tel-01634377v1
Another paper about Wikipedia quality assessment
Morten Warncke-Wang at Wikimedia has reviewed my recent paper about assessing quality of Wikipedia articles.
My paper appeared on Wikipedia Research Newsletter
In June 2016, I presented a paper at JCDL 2016 conference (ranked A* by CORE) about quality assessment of Wikipedia articles by deep learning techniques.
The paper is also reviewed by Wikipedia Research Newsletter at
https://blog.wikimedia.org/2016/07/23/research-newsletter-june-2016/
