Before revision:  Due to the high influence that links' disposition has on users' navigation sessions, one needs to verify that, given a controversial topic, the  hyperlinks' network does not expose users to only one side of the subject.
After revision:  Due to the high influence that links' disposition has on users' navigation sessions, one needs to verify that, given a controversial topic, the users' exploration process is still influenced by the hyperlinks' network does not expose users to only one side of the subject.