The identification of relationship between scientific authors is an important area of study which has many applications. One of the most important application is to identify the Conflict-of-Interest between authors and reviewers. There may exist different kind of relationships between scientific authors for example person "A" and person "B" has not co-authored a single publication but they have studied together from the same supervisor, both "A" and "B" have worked together on same project, both "A" and "B" host a special issue of a journal etc. This kind of relationships may not be...