Stamer, D.; Ponomarev, A.; Shilov, N.; Smirnov, A. Technical Perspective on Using Information Demand Pattern in a Collaborative Recommendation System for Improving E-Mail Communication. J. Complex Syst. Inform. Model. Q. 2015, No. 2, 31-45. https://doi.org/10.7250/csimq.2015-2.03.