Refereed Journal Article:

  1. Hagen, L., Keller, T., Neely, S., DePaulo, N., & Cooperman, C. (2017), “Crisis Communications in the Age of Social Media: A Network Analysis of Zika Related Tweets.Social Science and Computer Review, Impact factor: 2.293.
  2. Jun, D., Kim, D., & Hagen, L. (2017), The Impact of Mobile Social Media Use on User’s Emotional Status, Journal of the Korean Association for Regional Information Society, 20(2)002, written in Korean.
  3. Hagen, L., Harrison, T. M., Uzuner, Ö., May, W., Fake, T., & Katragadda, S.(2016), E-Petition Popularity: Do Linguistic and Semantic Factors Matter? Government Information Quarterly, 33(4), 783–795, Impact factor: 4.090.
  4. Dumas, C., LaManna, D., Harrison, T. M., Ravi, S.S., Kotfila, C., Gervais, N., Hagen, L., & Chen, F. (2015), Examining Political Mobilization of Online Communities through E-petitioning Behavior in We the People, 2015. Big Data and Society Journal.

Invited Journal Article:

  1. Kim, Yong Lan [Hagen, L.] (2005), A Study of a Proposed Amendment to Japanese Criminal Law in Response to the Convention on Cyber Crime (in Korean), Police Science Research, Vol. 19:381-420.
  2. Kim, Yong Lan [Hagen, L.] (2004), An Introduction to the Korean Public Information Act and the 2004 Amendment (in Japanese). Public Information Quarterly. Vol. 13: 56-61. Reprinted in Public Information Acts in Foreign Countries (Tokyo: Shineisya), pp. 32-42.

Refereed Conference Proceedings:

  1. Hagen, L. (2017), Overcoming the Privacy Challenges of Wearable Devices: A Study on the Role of Digital Literacy. In Proceeding dg.o ’17 Proceedings of the 18th Annual International Conference on Digital Government Research Pages 598-599
  2. Hagen, L., Harrison, T. M., Uzuner, Ö., Fake, T., LaManna, D., & Kotfila, C. (2015), Introducing Textual Analysis Tools for Policy Informatics: A Case Study of E-petitions. In Proceedings of the 16th Annual International Conference on Digital Government Research, May 27-30, 2015, Phoenix, AZ.
  3. Hagen, L., Uzuner, Ö., Kotfila, C., Harrison, T. M., & Lamanna, D. (2015), Understanding Citizens’ Direct Policy Suggestions to the Federal Government: A Natural Language Processing and Topic Modeling Approach. In Proceedings of the 2015 48th Hawaii International Conference on System Sciences (HICSS), January 5-8, 2015, Kauai, HI.
  4. Dumas, C., LaManna, D., Harrison, T. M., Ravi, S. S., Hagen, L., Kotfila, C., Chen, F. (2014), E-petitioning as collective political action in We the People. The iConference, March 24-27, 2015, Newport Beach, CA.
  5. Hagen, L. (2013) Enterprise System Implementation in National and Local Korean Police Agencies: A Case Study. In Proceedings of the 14th Annual International Conference on Digital Government Research (pp. 46–55), June 17-20, 2013, Quebec City, Quebec, CA.

Book Chapters:

  1. Hagen, L., Harrison, T.,Dumas, C., 2018Data Analytics for Policy Informatics:  The Case of E-Petitioning, In Policy Analytics, Modeling, and Informatics: Innovative Tools for Solving Complex Social Problems.
  2. Dumas, C., Harrison, T. M., Hagen, L., Zhao, X., 2017, What do the People Think?: E-petitioning and Policy Decision Making,” Book chapter for Beyond Bureaucracy: Towards Sustainable Governance Informatisation, Springer.