For a full list of publications see Prof. Contractor’s CV


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Journal articles/ Conference papers & proceedings /Books & book sections/ Reports

Journal Articles:

Mell, J. N., Mell, J. N., DeChurch, L., Contractor, N., & Leenders, R. (2020). Identity Asymmetries: An experimental investigation of social identity and information exchange in multiteam systems. Academy of Management Journal.
Cedeno-Mieles, V., Hu, Z., Ren, Y., Deng, X., Adiga, A., Barrett, C., Contractor, N., Ekanayake, S., Epstein, J. M., Goode, B. J., Korkmaz, G., Kuhlman, C. J., Machi, D., Macy, M. W., Marathe, M. V., Ramakrishnan, N., Ravi, S. S., Saraf, P., & Self, N. (2020). Networked experiments and modeling for producing collective identity in a group of human subjects using an iterative abduction framework. Social Network Analysis and Mining, 10(1), 11.

Contractor, N. (2019). A “modest proposal” on writing that is not modest enough. [Forum commentary on the article “On writing in communication and media studies” by Boczkowski P. & M. Delli Carpini]. International Journal of Communication, 14, Forum 432-435.

Hogan, B., Janulis, P., Phillips II, G., Melville, J., Mustanski, B., Contractor, N., & Birkett, M. (2019). Assessing the stability of ego-centered networks over time using the digital participant-aided sociogram tool Network Canvas. Network Science. 1-19. doi:10.1017/nws.2019.27

Hilbert, M., Barnett, G., Blumenstock, J., Contractor, N., Diesner, J., Frey, S., … Zhu, J. J. H. (2019). Computational Communication Science: A Methodological Catalyzer for a Maturing Discipline. International Journal of Communication, 13(0), 3912-3934.

Larson, L., Wojcik, H., Gokhman, I., DeChurch, L., Bell, S., & Contractor, N. (2019). Team performance in space crews: Houston, we have a teamwork problem. Acta Astronautica, 161, 108–114.

Gómez-Zará, D., Andreoli, S., DeChurch, L. A., & Contractor, N. S. (2019). Discovering collaborators online: Assembling interdisciplinary teams online at an Argentinian University. Cuadernos.Info, (44), 21-41.

Kim, M. J., Lee, C.-K., & Contractor, N. S. (2018). Seniors’ usage of mobile social network sites: Applying theories of innovation diffusion and uses and gratificationsComputers in Human Behavior, 90, 60-73. doi:10.1016/j.chb.2018.08.046

Lungeanu, A., Carter, D. R., DeChurch, L. A., & Contractor, N. S. (2018). How Team Interlock Ecosystems Shape the Assembly of Scientific Teams: A Hypergraph Approach. Communication Methods and Measures, 1-25.

Mukherjee, A., Xiao, P., Chang, H., Wang, L., & Contractor, N. (2017). Plebeian Bias: Selecting Crowdsourced Creative Designs for Commercialization. Submitted to SSRN.

Sha, Z., Huang, Y., Fu, J.S., Wang, M., Fu, Y., Contractor, N., & Chen, W. (2018). A Network-Based Approach to Modeling and Predicting Product Co-Consideration Relations. Complexity, 2018(3), 1–14.

Schecter, A., Pilny, A., Leung, A., Poole, M. S., & Contractor, N. (2017). Step by step: Capturing the dynamics of work team process through relational event sequences. Journal of Organizational Behavior, 2017, 1–19.

Wax, A., DeChurch, L., & Contractor, N. (2017). Self-Organizing Into Winning Teams: Understanding the Mechanisms That Drive Successful Collaborations. Small group research, 48(6), 665-718. doi:10.1177/1046496417724209

Norton, W. E., Lungeanu, A., Chambers, D. A., & Contractor, N. (2017). Mapping the growing discipline of dissemination and implementation science in health. Scientometrics, 112(3), 1367–1390. doi:10.1007/s11192-017-2455-2.

Wang, M., Chen, W., Huang, Y., Contractor, N.S. and Fu, Y. (2016) Modeling customer preferences using multidimensional network analysis in engineering design, Design Science, 2. doi: 10.1017/dsj.2016.11.

Pilny, A., Schecter, A., Poole, M. S., & Contractor, N. (2016). An illustration of the relational event model to analyze group interaction processes. Group Dynamics: Theory, Research, and Practice:: Special Issue on Statistical Methods. 20(3), 181-195. doi:10.1037/gdn0000054.

Ghasemian, F., Zamanifar, K., Ghasem-Aqaee, N., & Contractor, N. (2016). Toward a better scientific collaboration success prediction model through the feature space expansion. Scientometrics, (1-25). doi: 10.1007/s11192-016-1999-x

Leenders, R., DeChurch, L. A., & Contractor, N. S. (2016). Once upon a time: Understanding team dynamics as relational event networks. Organizational Psychology Review. doi: 10.1177/2041386615578312

Zhang, C., Phang, C. W., Zeng, X., Wang, X., Xu, Y., Huang, Y., & Contractor, N. (2015). Circadian Rhythms in Socializing Propensity. PloS one, 10(9), e0136325.

Carter, D. R., Asencio, R., Wax, A., DeChurch, L. A., & Contractor, N. S. (2015). Little Teams, Big Data: Big Data Provides New Opportunities for Teams Theory. Industrial and Organizational Psychology, 8(04), 550-555. doi: 10.1017/iop.2015.82

Tiropanis, T., Hall, W., Crowcroft, J., Contractor, N., & Tassiulas, L. (2015). Network Science, Web Science and Internet Science: Comparing interdisciplinary areas. Communications of the ACM, 58(8), 76-82. doi: 10.1145/2699416

Foucault Welles, B., & Contractor, N. S. (2015). Individual motivations and network effects: A Multi-Level Analysis of the Structure of Online Social Relationship. Annals of the American Academy of Political and Social Science, 659, 180-190. doi: 10.1177/0002716214565755

Sullivan, S. D., Lungeanu, A., DeChurch, L. A., & Contractor, N. S. (2015). Space, time, and the development of shared leadership networks in multiteam systems. Network Science, 1-32. doi:10.1017/nws.2015.7

Carter, D., DeChurch, L.A., Braun, M., & Contractor, N. (2015). Social network approaches to leadership: An integrative conceptual review. Journal of Applied Psychology.

Foucault Welles, B., Vashevko, A., Bennett, N., & Contractor, N. (2014). Dynamic Models of Communication in an Online Friendship Network. Communication Methods and Measures, 8(4), 223-243. doi:10.1080/19312458.2014.967843

Lungeanu, A., & Contractor, N. S. (2014). The effects of diversity and network ties on innovations: The emergence of a new scientific field. American Behavioral Scientist. doi:10.1177/0002764214556804

Foucault Welles, B., Rousse, T., Merrill, N., & Contractor, N. (2014). Virtually friends: An exploration of friendship claims and expectations in immersive virtual worlds. Journal for Virtual Worlds Research, 7(2), 1-15.

Contractor, N. S., & DeChurch, L. A. (2014). Integrating social networks and human social motives to achieve social influence at scale. Proceedings of the National Academy of Sciences, 111(Supplement 4), 13650–13657.

Lungeanu, A., Huang, Y., & Contractor, N. S. (2014). Understanding the assembly of interdisciplinary teams and its impact on performance. Journal of Informetrics, 8(1), 59–70.

van de Wijngaert, L., Bouwman, H., & Contractor, N. (2014). A network approach toward literature review. Quality & Quantity, 48(2), 623–643.

O’Hara, K., Contractor, N. S., Hall, W., Hendler, J. A., & Shadbolt, N. (2013). Web Science: Understanding the emergence of macro-level features on the World Wide Web. Foundations and Trends® in Web Science, 4(2–3), 103‐267.

Huang, M., Barbour, J., Su, C., & Contractor, N. (2013). Why do group members provide information to digital knowledge repositories? A multilevel application of transactive memory theory. Journal of the American Society for Information Science and Technology, 64(3), 540-557.

Contractor, N. (2013). Some assembly required: Leveraging Web Science to understand and enable team assembly. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 371(1987), 20120385–20120385. doi:10.1098/rsta.2012.0385

Zhu, M., Huang, Y., & Contractor, N. S. (2013). Motivations for self-assembling into project teams. Social Networks, 35(2), 251–264.

Huang, Y., Shen, C., and Contractor, N. (2013) Distance matters: Exploring proximity and homophily in virtual world networks. Decision Support Systems, 55(4), 969–977.

Keegan, B., Gergle, D., and Contractor, N. (2013). Hot off the Wiki: Structures and dynamics of Wikipedia’s coverage of breaking news events. American Behavioral Scientist, 57(5), 595-622.

Contractor, N. S., DeChurch, L. A., Carson, J. B., Carter, D., & Keegan, B. (2012). The topology of collective leadership. The Leadership Quarterly, 23(6) 994-1011.

Contractor, N. S., Whitbred, R. C., Fonti, F., & Steglich, C. (2012). Understanding the Ties that Bind: A Longitudinal Investigation of the Evolution of a Communication Network. Western Journal of Communication, 76(4), 333-357. doi: 10.1080/10570314.2012.674172

Mathur, S., Poole, M. S., Peña-Mora, F., Hasegawa-Johnson, M., & Contractor, N. (2012). Detecting interaction links in a collaborating group using manually annotated data. Social Networks, 34(4), 515–526.

Williams, D., Contractor, N., Poole, M. S., Srivastava, J., & Cai, D. (2011). The Virtual Worlds Exploratorium: Using large-scale data and computational techniques for communication research. Communication Methods and Measures, 5(2), 163-180.

Wang, J., Huffaker, D. A., Treem, J. W., Fullerton, L., Ahmad, M. A., Williams, D., Poole, M. S., & Contractor, N. (2011). Focused on the prize: Characteristics of experts in massive multiplayer online games. First Monday, 16(8).

Whitbred, R., Fonti, F., Steglich, C., & Contractor, N. (2011). From microactions to macrostructure and back: A structurational approach to the evolution of organizational networks. Human Communication Research, 37(3), 404-433.

Castells, M., Monge, P., & Contractor, N. (2011). Network Theory| Prologue to the special section| Network multidimensionality in the digital age. International Journal of Communication, 5, 6.

Contractor, N., Monge, P., & Leonardi, P. M. (2011). Multidimensional networks and the dynamics of sociomateriality: Bringing technology inside the network. International Journal of Communication, 5, 39.

Su, C., & Contractor, N. (2011). A multidimensional network approach to studying team members’ information seeking from human and digital knowledge sources in consulting firms. Journal of the American Society for Information Science and Technology, 62(7), 1257-1275.

Falk-Krzesinski, H.J., Contractor, N., Fiore, S.M., Hall, K.L., Kane, C., Keyton, J., Klein, J., Spring, B., Stokols, D., & Trochim, W. (2011). Mapping a research agenda for the science of team science. Research Evaluation, 20(2), 145-158.

Falk-Krzesinski, H.J., Börner, K., Contractor, N., Fiore, S.M., Hall, K.L., Keyton, J., Spring, B., Stokols, D., Trochim, W., & Uzzi, B. (2010). Advancing the science of team science. Clinical and Translational Sciences, 3(5), 263-266.

Börner, K., Contractor, N., Falk-Krzesinski, H.J., Fiore, S.M., Hall, K.L., Keyton, J., Spring, B., Stokols, D., Trochim, W., & Uzzi, B. (2010). A multi-level systems perspective for the science of team science. Science Translational Medicine, 2(49), 24-49. DOI: 10.1126/scitranslmed.3001399

Tian, Y., Srivastava, J., Huang, T., & Contractor, N. (2010). Social multimedia computing. Computer, 43(8), 27-36.

Mahmassani, H.S., Chen, R.B., Huang, Y., Williams, D., & Contractor, N. (2010). Time to play? Activity engagement in multiplayer online role-playing games. Transportation Research Record: Journal of the Transportation Research Board, 2157(1), 129-137.

Su, C., Huang, M., & Contractor, N. (2010). Understanding the structures, antecedents and outcomes of organisational learning and knowledge transfer: A multi-theoretical and multilevel network analysis. European Journal of International Management, 4(6), 576-601.

Yuan, C. Fulk, J., Monge, P., & Contractor, N. (2010). Expertise directory development, shared task interdependence, and strength of communication network ties as multilevel predictors of expertise exchange in transactive memory work groups. Communication Research, 37(1), 20-47. doi: 10.1177/009365020351469.

Varda, D., Forgette, R., Banks, D., & Contractor, N. (2009). Social network methodology in the study of disasters: issues and insights prompted by post-Katrina research. Population Research & Policy Review, 28(1), 11-29.

Lazer, D., Pentland, A., Adamic, L., Aral, S., Barabasi, A. L., Brewer, D., Christakis, N., Contractor, N., Fowler, J., Gutman, M., Jebara, T., King, G., Macy, M., Roy, D., Van Alstyne, M. (2009). Life in the network: The coming age of computational social science. Science 323 (5915), 721-723.

Xia, M., Huang, Y., Duan, W., & Whinston, A. B. (2009). Ballot box communication in online communities. Communications of the ACM, 52(9), 138-142. doi:

Castronova, T., Williams, D., Shen, C., Ratan, R., Xiong, L., Huang, Y., & Keegan, B. (2009). As real as real? Macroeconomic behavior in a large-scale virtual world. New Media & Society, 11(5).

Contractor, N., Wasserman, S., & Faust, K. (2006). Testing multitheoretical, multilevel hypotheses about organizational networks: An analytic framework and empirical example. Academy of Management Review, 31(3), 681-703.

Palazzolo, E. T., Serb, D., She, Y., Su, C., & Contractor, N. S. (2006). Coevolution of communication and knowledge networks in transactive memory systems: Using computational models for theoretical development. Communication Theory, 16(2), 223-250.

Katz, N., Lazer, D., Arrow, H., & Contractor, N. (2004). Network theory and small groups. Small Group Research, 35(3), 307-332.

Contractor, N. S., & Monge, P. R. (2002). Managing knowledge networks. Management Communication Quarterly, 16(2), 249-258.

Fesenmaier, J., & Contractor, N. (2001). The evolution of knowledge networks: An example for rural development. The Journal of the Community Development Society, 32(1), 160-175.

Pollock, T., Whitbred, R. A., & Contractor, N. (2000). Social information processing and job characteristics: A simultaneous test of two theories with implications for job satisfaction. Human Communication Research, 26(2), 292-330.

Contractor, N. S. (1998). Self-organizing systems research in the social sciences: Reconciling the metaphors and the models. Management Communication Quarterly, 13(1), 154-166.

Heald, M., Contractor, N., Koehly, L. M., & Wasserman, S. (1998). Formal and emergent predictors of coworkers’ perceptual congruence on an organization’s social structure. Human Communication Research, 24(4), 536-563.

Ehrlich, M.C., & Contractor, N. S. (1998). “Shock” meets “community service”: J.C. Corcoran at KMOX. Journal of Radio Studies 5(1), 22-35.

Hyatt, A., Contractor, N., & Jones, P. M. (1997). Computational organizational network modeling: Strategies and an example. Computational and Mathematical Organizational Theory, 2(4), 285-300.

Contractor, N. S., Seibold, D. R., & Heller, M. A. (1996). Interactional influence in the structuring of media use in groups: Influence of members’ perceptions of group decision support system use. Human Communication Research, 22(4), 451-481.

Contractor, N. S., & Seibold, D. R. (1993). Theoretical frameworks for the study of structuring processes in group decision support systems: Adaptive structuration theory and self-organizing systems theory. Human Communication Research, 19(4), 528-563.

Contractor, N., & Ehrlich, M. (1993). Strategic ambiguity in the birth of a loosely coupled organization: The case of a $50-million experiment. Management Communication Quarterly, 6(3), 251-281.

Michaelson, A., & Contractor, N. (1992). Structural Position and perceived similarity. Social Psychology Quarterly, 55(3), 300-310.

Monge, P. R., Cozzens, M. D., & Contractor, N. S. (1992). Communication and motivational predictors of the dynamics of organizational innovation. Organization Science, 3(2), 250-274.

Waterman, D., Schechter, R., & Contractor, N. (1991). Overcoming barriers to the live arts: Can the media compensate? Journal of Cultural Economics, 15(2), 19-40.

Rice, R., & Contractor, N. S. (1990). Conceptualizing effects of office information systems: A methodology and application for the study of alpha, beta and gamma change. Decision Science, 21(2), 301-317.

Contractor, N. S., Singhal, A., & Rogers, E. M. (1988). Metatheoretical perspectives on satellite television and development in India. Journal of Broadcasting & Electronic Media, 32(2), 129-148.

Cozzens, M. D., & Contractor, N. S. (1987). The effect of conflicting information on media skepticism. Communication Research, 14(4), 437-451.

Contractor, N. S., Fulk, J., Monge, P. R., & Singhal, A. (1986). Cultural assumptions that influence the implementation of communication technologies. Vikalpa, 11(4), 287-300.


Conference Papers & Proceedings:

Ichhaporia, R., Gómez-Zará, D., DeChurch, L., & Contractor, N. (2020). A Network Approach to the Formation of Self-assembled Teams. Complex Networks and Their Applications VIII, 969–981. Springer International Publishing. 

Antone, B., Gupta, A., Bell, S., DeChurch, L., & Contractor, N. (2020). Testing Influence of Network Structure on Team Performance Using STERGM-Based Controls. Complex Networks and Their Applications VIII, 1018–1030. Springer International Publishing. doi: 10.1007/978-3-030-36683-4_81

Gómez-Zará, D., Guo, M., DeChurch, L. A., & Contractor, N. S. (2020). The impact of displaying diversity information on the formation of self-assembling teams. In CHI Conference on Human Factors in Computing Systems Proceedings (CHI 2020), April 25–30, 2019, Hawaii, USA.

Izadinia, N., DeChurch, L., Contractor, N., & Waechter, A. (2020, January). Optimization-based metrics for evaluating individual and team performance in spaceflight multiteam systems. Poster presented at NASA 2020 Human Research Program Investigators’ Workshop (HRP IWS), Galveston, TX

Ichhaporia, R., Gómez-Zará, D., DeChurch, L., & Contractor, N. (2020). A Network Approach to the Formation of Self-assembled Teams. Complex Networks and Their Applications VIII, 969–981. Springer International Publishing. doi:10.1007/978-3-030-36683-4_77

Izadinia, N., DeChurch, L., Contractor, N., & Waechter, A. (2019, January). Introducing a measure for calculating the efficiency of work in space. Paper presented at 2019 Management Science Workshop, Santa Cruz, Chile.

Izadinia, N., DeChurch, L., Contractor, N., & Waechter, A. (2019, January). Using optimization methods to benchmark performance in space multi-team systems (MTS). Poster presented at NASA 2019 Human Research Program Investigators’ Workshop (HRP IWS), Galveston, TX

Harris, A. M., Gómez-Zará, D., DeChurch, L. A., & Contractor, N. S. (2019). Joining together online: The trajectory of CSCW scholarship on group formation. Proc. ACM Hum.-Comput. Interact., 3(CSCW), 27. doi:10.1145/3359250

Gómez-Zará, D., Paras, M., Twyman, M., Lane, J. N., DeChurch, L. A., & Contractor, N. S. (2019). Who Would You Like to Work With? In Proceedings of the 2019 ACM Conference on Human Factors in Computing Systems (CHI’19), Glasgow, UK.

Ng, J., P.M. Leonardi, L. DeChurch, & N. Contractor. (2017). Teaming at the Limit: Enhancing Team Effectiveness with Enterprise Social Media Affordances. Proceedings of Academy of Management, Atlanta, GA.

Sha, Z., Wang, M., Huang, Y., Contractor, N., Fu, Y., & Chen, W. (2017). Modeling product co-consideration relations: A comparative study of two network models. In Proceedings of the International Conference on Engineering Design (ICED), Vol. 6, No. DS87-6, pp. 317-326.

Whalen, R., & Contractor, N. (2016, January). Measuring Innovation: Citation Measures of Knowledge Translation, Integration, Diffusion and Scope. In Academy of Management Proceedings (Vol. 2016, No. 1, p. 16352). Academy of Management.

Lungeanu, A., & Contractor, N. (2016, January). Assembly Mechanisms of Emerging Interdisciplinary Scientific Teams and Their Impact on Performance. In Academy of Management Proceedings (Vol. 2016, No. 1, p. 14388). Academy of Management.

Wang, M., Sha, Z., Huang, Y., Contractor, N., Fu, Y., & Chen, W. (2016, August). Forecasting Technological Impacts on Customers’ Co-Consideration Behaviors: A Data-Driven Network Analysis Approach. Proceedings of ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Charlotte, NC.

Schecter, A. & Contractor, N. (2016). Modeling the joint dynamics of relational events and individual states. Proceedings of the 2016 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, ASONAM 2016, San Francisco, CA.

Whalen, R., Huang, Y., Tanis, C., Sawant, A., Uzzi, B., & Contractor, N. (2016). Citation Distance: Measuring Changes in Scientific Search Strategies. Proceedings of the 25th International Conference on World Wide Web, WWW ’15 Companion, Montreal, Canada.

Hogan, B., Melville, J. R., Philips, G. L., Janulis, P., Contractor, N., Mustanski, B. S., & Birkett, M. (2016). Evaluating the Paper-to-Screen Translation of Participant-Aided Sociograms with High-Risk Participants. Proceedings of CHI ’16, San Jose, CA.

Pilny, A., Keegan, B., Foucault Welles, B., Riedl, C., Lazer, D., Radford, J., Ognyanova, K.,  DeChurch, L., Macy, M., Contractor, N., Meleis, W. (2016). Designing online experiments. Proceedings of the ACM Conference on Computer Supported Cooperative Work, CSCW, San Francisco, CA.

Lungeanu, A., Sullivan, S., Contractor, N., & Wilensky, U. (2015). A Computational Model of Team Assembly in Emerging Scientific Fields. Proceedings of the Winter Simulation Conference, Huntington Beach, CA.

Wang, M., Chen, W., Huang, Y., Contractor, N. S., & Fu, Y. (2015). A Multidimensional Network Approach for Modeling Customer-Product Relations in Engineering Design. Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (IDETC/CIE), Boston, MA.

Whalen, R., & Contractor, N. (2015). Patent Application Citations and the Examination Process: A Network-Based Date-Sensitive Method to Analyze Patent Applications. Proceedings of the Law & Big Data Workshop at the International Conference on Artificial Intelligence and Law, San Diego, CA.

Schecter, A. & Contractor, N. (2015). Forming and performing: How group structure evolves in successful multiteam systems. In Academy of Management Proceedings (Vol. 2015, No. 1, p. 11306), Academy of Management.

Neidhardt, J., Huang, Y., & Contractor, N. (2015). Team vs. Team: Success Factors in a Multiplayer Online Battle Arena Game. Proceedings of the Academy of Management Annual Conference, Vancouver, Canada.

McDonald, J. D., Dechurch, L. A., Asencio, R., Carter, D. R., Mesmer-Magnus, J. R., & Contractor, N. S. (2015). Team task switching: A conceptual framework for understanding functional work shifts. In 2015 International Annual Meeting of the Human Factors and Ergonomics Society, HFES 2015. (Vol. 2015-January, pp. 1157-1161). Human Factors and Ergonomics Society Inc.. DOI: 10.1177/1541931215591179

Schecter, A., Leenders, R., DeChurch, L., & Contractor, N. (2014). The Signatures of Success in Teams & Multiteam Systems. Proceedings of the Academy of Management Annual Conference, Philadelphia, PA.

Sullivan, S., Pierce, C. S., Leonardi, P. M., & Contractor, N. (2013). Explaining idea sharing mechanisms: Linking diversity and network factors to explore creative teams. Proceedings of the e Academy of Management Annual Conference, Orlando, FL.

Xu, B., Huang, Y., Kwak, H., & Contractor, N. (2013). Structures of Broken Ties: Exploring Unfollow Behavior on Twitter. Proceedings of the 2013 conference on Computer supported cooperative work, 871-76. San Antonio, Texas, USA.

Xu, B., Huang, Y., & Contractor, N. (2013). Exploring Twitter networks in parallel computing environments. XSEDE ’13: Proceedings of the Conference on Extreme Science and Engineering Discovery Environment: Gateway to Discovery, ACM Request Permissions. doi:10.1145/2484762.2484811

Ahmad, M., Keegan, B., Roy, A., Williams, D., Srivastava, J., & Contractor, N. S. (2013). Guilt by association? Network based propagation approaches for gold farmer detection. Proceedings of the 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining.

McCusker, J. P. , Shaikh, A., Contractor, N., Courtney, P., Lee, J., Morgan, G., Tatalovich, Z., Thomas, C., and L. McGuinness, D. L. (2013). Towards next generation health data exploration: A data cube-based investigation into population statistics for tobacco IT innovation. Proceedings of the Hawaii International Conference On System Sciences (HICSS) 2013.

Sullivan, S., Lungeanu, A., Dechurch, L. A., & S, C. N. (2013). Leading innovation over space and time. Paper presented at the ARS’13 International Workshop, Rome, Italy, June 20-22, 2013. ARS 2013

Keegan, B., Gergle, D., & Contractor, N. (2012). Staying in the loop: Structure and dynamics of Wikipedia’s breaking news collaborations. Proceedings of the 8th International Symposium on Wikis and Open Collaboration: WikiSym 2012, Linz, Austria.

Keegan, B., Gergle, D., & Contractor, N. (2012). Do editors or articles drive collaboration? Multilevel statistical network analysis of Wikipedia coauthorship. In S. Poltrack & C. Simone (Eds.), Proceedings of the CSCW ’12 Computer Supported Cooperative Work. Seattle, WA (pp. 427–436). New York, USA: ACM. doi:10.1145/2145204.2145271

Ahmad, M., Borbora, Z., Srivastava, J., & Contractor, N. (2012). Love all, trust a few: Link prediction for trust and psycho-social factors in MMOs. In S. J. Yang, A. M. Greenberg, & M. Endsley (Eds.), Social Computing, Behavioral – Cultural Modeling and Prediction. 5th International Conference, SBP 2012, College Park, MD, USA, April 3-5, 2012. Proceedings. Lecture Notes in Computer Science. (Vol. 7227, pp. 123–130). Berlin: Springer. doi:10.1007/978-3-642-29047-3

McGuinness, D. L., Lebo, T., Ding, L., McCusker, J. P., Shaikh, A. R., Moser, R. P., et al. (2012). Towards semantically enabled next generation community health information portals: The PopSciGrid pilot. In Proceedings of the 45th Hawaii International Conference on System Sciences (HICSS), Maui, Hawaii, 4-7 January, 2012 (pp. 2752–2760). IEEE. doi:10.1109/HICSS.2012.605

Whalen, Ryan (2012). Modeling annual Supreme Court influence: The role of citation practices and judicial tenure in determining precedent network growth. In A Evsukoff, M.C. Gonzalez and R. Menezes (eds.) Complex Networks. Berlin, Springer Verlag. Series: “Studies in Computational Intelligence.”

Ahmad, M.A., Keegan, B., Williams, D., Srivastava, J., & Contractor, N. (2011). Trust among rogues? A hypergraph approach for comparing clandestine trust networks in MMOGs. Proceedings of the 5th International AAAI Conference on Weblogs and Social Media, 10-17.

Fazel-Zarandi, M., Devlin, H.J., Huang, Y., & Contractor, N. (2011). Expert recommendation based on social drivers, social network analysis, and semantic data representation. Proceedings of the 2nd International Workshop on Information Heterogeneity and Fusion in Recommender Systems, 41-48.

Keegan, B., Gergle, D., & Contractor, N. (2011). Hot off the Wiki: Dynamics, practices and structures in Wikipedia’s coverage of the Tōhoku catastrophes. Proceedings of WikiSym11, 105-113.

Ahmad, M., Keegan, B., Sullivan, S., Williams, D., Srivastava, J. & Contractor, N. (2011). Illicit Bits: Detecting and Analyzing Contraband Networks in Massively Multiplayer Online Games. Proceedings of 2011 IEEE International Conference on Social Computing.

Ahmad, M.A., Keegan, B., Sullivan, S., Williams, D., Srivastava, J., & Contractor, N. (2011). Towards analyzing adversarial behavior in clandestine networks. Proceedings from the 2011 AAAI Workshop on Applied Adversarial Reasoning and Risk Modeling, 75-76.

Young, L., & Pieterson, W. (2011). Strategic communication in a networked world. Paper presented at the 2011 International Communication Association Strategic Communication Pre-conference, Boston, MA.

Young, L., & Pieterson, W. (2011). Government to citizen communication in a networked world: Integrating network and communication theories to inform strategic communication. Paper presented at the International Communication Association Conference, Boston, MA.

Whalen, R. (2011). The Structure of Federal eGovernment: Using hyperlinks to analyze the .gov domain. Paper presented at the 4th Annual Political Networks Conference, University of Michigan, Ann Arbor, MI.

Keegan, B. (2011). Breaking news, breaking planes, and breaking hearts: Psycholinguistic dynamics and sensemaking in collaborative accounts of catastrophe. Paper presented at the International Communication Association Conference, Boston, MA.

Keegan, B., Ahmed, M.A., Williams, D., Srivastava, J., & Contractor, N. (2010). Dark gold: Statistical properties of clandestine networks in massively multiplayer online games. Proceedings of 2010 IEEE Second International Conference on Social Computing, 201-208.

Ahmad, M.A., Borbora, Z., Srivastava, J., & Contractor, N. (2010). Link prediction across multiple social networks. Proceedings of the 2010 IEEE International Conference on Data Mining Workshops, 911-918.

Courtney, P., Shaikh, A. R., Contractor, N., McGuinness, D. L., Ding, L., Augustson, E. M., Blake, K., Morgan, G. D., Moser, R., Willis, G., & Hesse, B. W. (2010). Consumer health portal: An informatics tool for translation and visualization of complex, evidence-based population health data for cancer prevention and control. Proceedings of the 138th American Public Health Association.

You, W., Huang, Y., & Xia, M. (2010). Content popularity in a peer-to-peer community: A network perspective. Paper presented at the 9th Workshop on e-Business (WeB’10), St. Louis, MO.

Shaikh, A. R., Contractor, N., Moser, R., Morgan, G. D., Courtney, P. K., E. M. Augustson, A. M. Pilsner, & Hesse, B. W. (2009). PopSciGrid: Using cyberinfrastructure to enable data harmonization, collaboration, and advanced computation of nationally representative behavioral, demographic, and economic data. Proceedings of the 137th Annual Public Health Association.

Huang, Y., Zhu, M. Wang, J. Pathak, N., Shen, C., Keegan, B., Williams, D., & Contractor, N. (2009). The formation of task-oriented groups: exploring combat activities in online games. Proceedings of the 2009 International Conference on Computational Science and Engineering, IEEE Computer Society, 4, 122-127.

Contractor, N. (2009). Understanding & enabling networks in digital government. Proceedings of the 10th Annual International Conference on Digital Government Research. ACM International Conference Proceeding Series, 390, 364-365.

Ahmad, M.A., Keegan, B., Srivastava, J., Williams, D., & Contractor, N. (2009). Mining for gold farmers: Automatic detection of deviant players in MMOGs. Proceedings of the 2009 International Conference on Computational Science and Engineering, 4, 340-345.

Huffaker, D., Wang, J., Treem, J., Ahmad, M. A., Fullerton, L., Williams, D., Poole, M. S., & Contractor, N. (2009). The social behaviors of experts in massive multiplayer online role-playing games. Proceedings of the 2009 International Conference on Computational Science and Engineering, 4, 326-331.

Ratan, R., Chung, J. E., Shen, C., Williams, D., Foucault, B., & Poole, M. S. (2009). Schmoozing and smiting: Trust and communication patterns in an MMO. Paper presented at the 59th Annual Conference of the International Communication Association (ICA2009), Chicago, IL, USA.

Foucault, B., & Markov, A. (2009). Teens and communication technology: The co-construction of privacy and friendship in mediated communication.Paper presented at the International Communication Association 2009 Annual Meeting (ICA ’09), Chicago, IL.

Neumeyer, X., Contractor, N., & Ehmann, K. (2008). Collaboration Networks in Micromanufacturing, Proceedings of the 3rd International Conference on Micromanufacturing, Pittsburgh, PA.

Huang, Y., Contractor, N., & Yao, Y. (2008). Recommendation based on social networks. Proceedings of DG.O 2008 Annual conference for Digital Government, Montreal, Canada.

Patel, J., Gupta, I., & Contractor, N. (2006). JetStream: Achieving predictable gossip dissemination by leveraging social networks principles. Proceedings of the 5th IEEE International Symposium on Network Computing and Applications (IEEE NCA06).

Pathak, N., Mane, S., Srivastava, J., & Contractor, N. S. (2006). Knowledge perception analysis in a social network. Proceedings of the 6th SIAM – International Conference on Data Mining (SDM 06).

Contractor, N., Bishop, A. P., & Zink, D. (1999). PrairieKNOW: A tool to assist the study, creation, and growth of community networks. In H-J.Bullinger& J. Ziegler (Eds.). Proceedings of HCI International ’99 (the 8th International Conference on Human-Computer Interaction), Munich, Germany, Volume 2, (pp. 447-451). Mahwah, NJ: Lawrence Erlbaum.

Jacobs, J. L., Dorneich, M. C., Jones, P. M., O’Keefe, B. J. and Contractor, N. (1997). SPOT: Using collaborative technologies for developing collaborative technologies. Proceedings of the 1997 IEEE International Conference on Systems, Man, and Cybernetics, 1, 690-695, Orlando, FL.

Jones, P. M., Chin, G., Lucenti, M., Kim, H-J., Stigberg, D., Sherman, G., Contractor, N., O’Keefe, B. J., Whitbred, R., Grobler, F., Case, M., Heckel, J., Lu, S. C-Y. & Ganeshan, R. (1997). CITYSCAPE: Civil infostructure technology system for collaborative analysis, prediction, and evaluation. Proceedings of the 1997 IEEE International Conference on Systems, Man, and Cybernetics, 3, 2223-2227, Orlando, FL.

Jones, P. M., Contractor, N., O’Keefe, B., Lu, S., Case, M., Lawrence, P., & Grobler, F. (1995). Workflow and cooperative problem solving in civil infrastructure management. Proceedings of the IEEE 1995 International Conference on Systems, Man, and Cybernetics, 5, 4575-4580, Vancouver, British Columbia, Canada.

Jones, P. M., Contractor, N., Lu, S. C-Y., & O’Keefe, B. J. (1994). Intelligent collaborative support for engineering design. Proceedings of the 12th Triennial Congress of the International Ergonomics Association (IEA ’94), 4, 80 – 82, Toronto, Ontario.

Jones, P. M., Contractor, N., O’Keefe, B., & Lu, S. C-Y. (1994). Competence models and self-organizing systems: Towards intelligent, evolvable, collaborative support. Proceedings of the IEEE 1994 International Conference on Systems, Man, and Cybernetics, 1, 367-372, San Antonio, TX.

Case, M., Contractor, N., Jones, P. M., Lu, S. C-Y., & O’Keefe, B. J. (1992). Team engineering analysis and modeling: Toward a normative model of team interaction. Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, Chicago IL.

Case, M., Contractor, N., Jones, P. M., Lu, S. C-Y, & O’Keefe, B. (1992). Consensus management in engineering design. Proceedings of IEEE International Conference on Systems, Man, & Cybernetics, Chicago IL.



Monge, P. R., & Contractor, N. (2003). Theories of Communication Networks. New York: Oxford University Press.

Ahmad, M.A., Shen, C., Srivastava, J., and Contractor, N.S. (2014). Predicting real world behaviors from virtual worlds data. (Editors) Springer Series on Complexity. Cham: Springer International Publishing.


Book Sections:

Contractor, N. (2019). How Can Computational Social Science Motivate the Development of Theories, Data, and Methods to Advance Our Understanding of Communication and Organizational Dynamics?. In: Foucault Welles, B. & González-Bailón, S. (Eds.), The Oxford Handbook of Networked Communication.

DeChurch, L. A., Bufton, G. M., Kay, S. A., Velez, C. V., & Contractor, N. S. (2019). Organizational learning and multiteam systems. In J. L. Argote & J. Levine (Eds.), Handbook of Group and Organizational Learning, Oxford University Press.

Foote, J., & Contractor, N. (2018). The behavior and network position of peer production founders. In Transforming Digital Worlds (Vol. 10766, pp. 99–106). Cham: Springer International Publishing.

Schecter A., Contractor N. (2017) Understanding and assessing collaborative processes through relational events. In: von Davier A., Zhu M., Kyllonen P. (Eds.), Innovative Assessment of Collaboration. Methodology of Educational Measurement and Assessment (pp. 223-231). Cham: Springer International Publishing.

Contractor, N., & Forbush, E. (2017). Networks. In C. R. Scott & L. K. Lewis, (Eds.), The international encyclopedia of organizational communication, (Vol. 22, pp. 1–25). Hoboken, NJ, USA: John Wiley & Sons, Inc. DOI: 10.1002/9781118955567

Zhu, M., Kuskova, V., Wasserman, S., & Contractor, N. S. (2016). Correspondence analysis of multirelational multilevel networks. In E. Lazega & T. Snijders (Eds.) Multilevel Network Analysis for the Social Sciences – Theory, Methods and Applications. Methodos Series – Methodological Prospects in the Social Sciences. (pp. 145-172) Cham: Springer International Publishing.

Huang, Y., Weng, C., Lee, B., & Contractor, N. (2015). Semantic and Social Spaces: Identifying Keyword Similarity with Relations. In E. Bertino & S. Matei (Eds.) Roles, Trust, and Reputation in Social Media Knowledge Markets (pp. 47–55). Computational Social Science Series. Cham: Springer International Publishing.

Ahmad, M. A., Shen, C., Srivastava, J., & Contractor, N. (2014). On the problem of predicting real world characteristics from virtual worlds. In A. Ahmad, C. Shen, J. Srivastava, & N. contractor (Eds.) Predicting Real World Behaviors from Virtual World Data (pp. 1–18). Cham: Springer International Publishing.

Shumate, M., & Contractor, N. (2014). Emergence of multidimensional social networks. In L.L. Putnam & D. Mumby (Eds.) Handbook of Organizational Communication (pp. 451-474). Thousand Oaks, CA: Sage.

Whalen, R. (2013). Modeling annual Supreme Court influence: The role of citation practices and judicial tenure in determining precedent network growth. In A. Evsukoff, M. C. Gonzalez & R. Menezes (Eds.), Complex Networks (pp. 169-176): Springer Berlin Heidelberg.

Margolin, D., Ognyanoya, K., Huang, M., Huang, Y., & Contractor, N. (2012). Team formation and performance on Nanohub: A network selection challenge in scientific communities. In B. Vedres & M. Scotti (Eds.), Networks in Social Policy Problems (pp. 80–100). Cambridge, UK: Cambridge University Press.

Contractor, N., & Su, C. (2012). Understanding groups from a network perspective. In A. Hollingshead & M. S. Poole (Eds.), Research Methods for Studying Groups and Teams: A Guide to Approaches, Tools, and Technologies (pp. 284-310). New York: Taylor & Francis/Routledge.

Poole, M. S., & Contractor, N. S. (2011). Conceptualizing the multiteam system as an ecosystem of networked groups. In Zaccaro, S.J., Marks, M.A., & DeChurch, L.A. (Eds.) Multiteam Systems: An Organizational Form for Dynamic and Complex Environments (pp. 193-224). New York: Routledge Academic.

Pathak, N., Mane, S., Srivastava, J., Contractor, N., Poole, S., & Williams, D. (2008). Analysis of social networks and group dynamics from electronic communication. In Kargupta, H., Han, J., Yu, P.S., Motwani, R., & Kumar, V. (Eds.) Next Generation of Data Mining (377-397). Chapman and Hall.

Hollingshead, A., & Contractor, N. (2006). New media and small group organizing. In L.A. Lievrouw & S. Livingstone (Eds.), The Handbook of New Media (Student Edition) (pp. 114-133). London: Sage.

Katz, N., Lazer, D., Arrow, H., & Contractor, N. (2005). The network perspective on small groups: Theory and research. In Poole, M. S. & Hollingshead, A.B. (Eds.) Theories of Small Groups: Interdisciplinary Perspectives (pp. 277-312). Newbury Park, CA: Sage.

Contractor, N. S., & Monge, P. R. (2003). Using multi-theoretical multilevel models to study adversarial networks. In R. Breiger, K. Carley, & P. Pattison (Eds.), Dynamic Social Network Modeling and Analysis: Workshop Summary and Papers (pp. 324-344). Washington, D.C.: National Research Council.

Hollingshead, A. B., & Contractor, N. S. (2002). New media and organizing at the group level. In S. Livingstone & L. Lievrouw (Eds.), Handbook of New Media (pp. 221-235). London: Sage.

Contractor, N. (2002). New media and organizing: Introduction. In S. Livingstone & L. Lievrouw (Eds.), Handbook of New Media (pp. 201-205). London: Sage.

Contractor, N., & Baldwin, C. (2001). Adoption of communication technologies and the evolution of communication networks in organizations. In V. Burton, D. Herr, & T. Finnegan (Eds.), Wayfarer: Charting Advances in Social Science Computing (CD). Urbana, IL: University of Illinois Press.

Monge, P. R., & Contractor, N. S. (2001). Emergence of communication networks. In F.M. Jablin & L.L. Putnam (Eds.), The New Handbook of Organizational Communication (pp. 440-502). Newbury Park, CA: Sage.

Shapiro, M. A., Lang, A., Hamilton, M., & Contractor, N. S. (2001). Information Systems Division: Intra-Personal, Meaning, Attitude and Social Systems. In W. Gudykunst (Ed.), Communication Yearbook, 24 (pp. 17-49). Newbury Park: Sage.

Contractor, N., & Bishop, A. P. (2000). Reconfiguring community networks: The case of PrairieKNOW. In T. Ishida (Ed.), Digital Cities: Technologies, Experiences, and Future Perspectives: Lecture Notes in Computer Science (pp. 151-164). Berlin: Springer-Verlag.

Contractor N., Zink, D., & Chan, M. (1998). IKNOW: A tool to assist and study the creation, maintenance, and dissolution of knowledge networks. In Toru Ishida (Ed.), Community Computing and Support Systems, Lecture Notes in Computer Science, 1519 (pp. 201-217). Berlin: Springer-Verlag.

Contractor, N. S., & Whitbred, R. (1997). Decision development in work groups: A comparison of contingency and self-organizing systems perspectives. In G. Barnett & L. Thayer (Eds.), Organizational Communication: Emerging Perspectives (pp. 83-104). New York: Ablex.

Contractor, N. S., & Grant, S. (1996). The emergence of shared interpretations in organizations: A self-organizing systems perspective. In J. Watt & A. VanLear (Eds.), Cycles and Dynamic Processes in Communication Processes (pp. 216-230). Newbury Park, CA: Sage.

Contractor, N. (1994). Self-organizing systems perspective in the study of organizational communication. In B Kovacic (Ed.) New Approaches to Organizational Communication (pp. 39-66). Albany, NY: SUNY Press.

Seibold, D., Heller, M. A., & Contractor, N. (1994). Group Decision Support Systems (GDSS): Review, taxonomy, and research agenda. In B Kovacic (Ed.) Organizational Communication: New Perspectives (pp. 143-168). Albany, NY: SUNY Press.

Contractor, N. S., Singhal, A., & Rogers, E. M. (1993). Satellite television and development in India: A utopian, dystopian, neutral, and contingency view. In K. S. Nair & S. A. White (Eds.), Perspectives on Development Communication. Thousand Oaks, CA: Sage.

Contractor, N. S., & Eisenberg, E. M. (1990). Communication networks and new media in organizations. In J. Fulk & C. W. Steinfield (Eds.), Organizations and Communication Technology (pp. 143-172). Newbury Park, CA: Sage.

Monge, P. R., & Contractor, N. S. (1988). Communication networks: Measurement techniques. In C. H. Tardy (Ed.), A Handbook for the Study of Human Communication: Methods and Instruments for Observing, Measuring, and Assessing Communication Processes (pp. 107-138). Norwood, NJ: Ablex.



Contractor, N. S., et al. (2016). 3D Netscope Intro and Walkthrough, SONIC Lab, Northwestern University and Syndio Inc., 1-15.

Contractor, N. S., Young, L., & Pieterson, W. (2011). Mapping community-based information networks to enable the Chicago Climate Action Plan: A case study of the South Chicago Community. Chicago, IL: Northwestern University.

Young, L., Pieterson, W., Hsieh, Y.-l., Wang, H., & Contractor, N. (2010). Mapping community-based information networks to enable the Chicago Climate Action Plan: A case study of the North Kenwood/Oakland community. Chicago, IL: Northwestern University.

Provan, K., & Contractor, N. (2007). Understanding and managing stakeholder networks. In National Cancer Institute, Greater than the Sum: Systems Thinking in Tobacco Control. Tobacco Control Monograph No. 18. Bethesda, MD: U.S. Department of Health and Human Services, National Institutes of Health, National Cancer Institute. NIH Pub. No. 06-6085.

Bajcsy, R., Rubin P., Bertenthal, B., Bimber, B., Contractor, N., Finholt, T., Franklin, K., Liberman, M., Mebane, W., Pearce, C., Scacchi, W., Teitelbaum, B., & Urban M. (2004). Cyberinfrastructure-mediated interaction. Report of the NSF Workshop on Cyberinfrastructure for the Social Sciences.