Evaluation and performance analysis of an online collaborative project are never easy tasks because the massive human involvement and other qualitative factors are hard to assess. To figure out the relationship between human related factors and quality of collaboration outcomes, we propose an effective formal approach to estimate the human involvement in collaboration process and testify our method on 100 articles extracted from Wikipedia and Scholarpedia, the qualities of whose historical contents have been evaluated manually by volunteers of specific background. Through comparison of the hum...
