• Current CoursesOpen or Close

    GSM IS705 M1 Issues in Managing Networked Systems

    GSM IS707 M1 Systems Architecture

  • PublicationsOpen or Close

    Journal Articles:

      Walker, D., Muchnik, L., (2014). Design of Randomized Experiments in Networks. Proceedings of the IEEE, 102(12), 1940 - 1951.

      Aral, S., Walker, D., (2014). Tie Strength, Embeddedness & Social Influence: A Large-Scale Networked Experiment. Management Science, 60(6), 1352 - 1370.

      Aral, S., Walker, D., (2012). An Experimental Method for Identifying Influential and Susceptible Members of Online Social Networks. Science, 337(6092), 337-341.

      Aral, S., Walker, D., (2011). Identifying Social Influence in Networks Using Randomized Experiments. IEEE Intelligent Systems, 26(5), 91-96 .

      Aral, S., Walker, D., (2011). Creating Social Contagion through Viral Product Design: A Randomized Trial of Peer Influence in Networks. Management Science, 57(9), 1623-1639.

      Yan, K., Walker, D., Maslov, S., (2008). Fluctuations in Mass-Action Equilibrium of Protein Binding Networks. Physical Review Letters, 101(268102), .

      Walker, D., Xie, H., Maslov, S., (2007). Ranking Scientific Publications Using a Model of Network Traffic. Journal of Statistical Mechanics: Theory and Experiment, 1(6), .

  • Research PresentationsOpen or Close

    Invited Lectures:

      Walker, D., (Presenter & Author), Wednesdays@NICO, Identifying Social Influence through Randomized Experiments, Northwestern University / Northwestern Institute on Complex Systems, Evanston, IL. (November 5, 2014).

      Walker, D., (Presenter & Author), Aral, S., (Author Only), INFORMS Annual Meeting, Tie Strength, Embeddedness, and Social Influence: Evidence from a large scale networked experiment, Minneapolis, MN. (October 9, 2013).

      Walker, D., (Presenter & Author), Muchnik, L., (Author Only), INFORMS Annual Meeting, The Impact of Social Media on Television Viewership: Evidence from a Large Scale Natural Experiment., Minneapolis, MN. (October 8, 2013).

      Walker, D., (Presenter and Author), Aral, S., (Author Only), American Economic Association Annual Meeting, Tie Strength, Embeddedness and Social Influence: Evidence from a large scale networked experiment., San Diego, CA. (January 12, 2013).

    Accepted Lectures:

      Walker, D., (Presenter & Author), Muchnik, L., (Author Only), The Conference on Digital Experimentation (CODE@MIT), Design of Randomized Experiments in Networks, MIT, Cambridge, MA. (October 11, 2014).

      Walker, D., (Presenter & Author), Muchnik, L., (Author Only), Statistical Challenges in eCommerce Research, Does Twitter Drive Television Consumption? Evidence from a Large Scale Natural Experiment, Tel Aviv University, Tel Aviv, Israel. (June 13, 2014).

      Walker, D., (Author Only), Miller, M., (Presenter & Author), Goldenberg, J., (Author Only), Muchnik, L., (Author Only), Statistical Challenges in eCommerce Research, The Twitter Spillover Effect: Measuring the Influence of TV Commercials on Online Shopping, Tel Aviv University, Tel Aviv, Israel. (June 11, 2014).

      Walker, D., (Presenter & Author), Muchnik, L., (Author Only), Statistical Challenges in eCommerce Research Symposium, The Impact of Social Media on Television Viewership: Evidence from a Large Scale Natural Experiment, Lisbon, PT. (June 27, 2013).

      Walker, D., (Presenter & Author), Muchnik, L., (Author Only), Workshop on Information Systems and Economics, Does Twitter Drive Television Consumption? Evidence from a Large Scale Natural Experiment, Milan, IT. (December 19, 2013).

      Walker, D., (Presenter and Author), Aral, S., (Author Only), Workshop on Information Networks, Tie Strength, Embeddedness and Social Influence: Evidence from a large scale networked experiment, New York, NY. (September 29, 2012).

      Walker, D., (Presenter and Author), Aral, S., (Author Only), Statistical Challenges in eCommerce Research, Tie Strength, Embeddedness and Social Influence: Evidence from a large scale networked experiment, Montreal, QC. (July 1, 2012).

      Walker, D., (Presenter and Author), Aral, S., (Author Only), Winter Conference in Business Intelligence, Identifying Influential and Susceptible Individuals in Social Networks: Evidence from a Randomized Experiment, Salt Lake City, UT. (March 5, 2011).

  • Awards and HonorsOpen or Close

    Management Science Meritorious Service Award, Management Science, Service, Community. (September 9, 2013).

    or outstanding service to the journal. The award is based on the quality and timeliness of editorial work for the journal.


    Finalist, Management Science Best Paper Award in Information Systems, Information Systems Society, Research. (October 5, 2013).
    The award is given to the paper published in Management Science in the previous three years that is deemed most deserving for its contribution to the theory and practice of information systems.