Niki Kittur, an assistant professor at CMU who studies user collaboration on Wikipedia and was not involved with Kostakos's work, says that providing more information about voting patterns to users could also be helpful. Kittur suggests that sites could create ways to easily summarize and represent other users' contributions to reveal any obvious biases. "There are both intentional and unintentional sources of bias," says Kittur. "In the end, what we really need [are] tools and transparency.

Source: here