1. The Twitter Archive at the Library of Congress: Challenges for information practice and information policy
2. Location-Based Services;Zickuhr;Pew Research Center’s Internet and American Life,2013
3. Using social media to measure foreign policy dynamics
4. Zamal, Faiyaz Al, Wendy Liu , and Derek Ruths (2012). “Homophily and Latent Attribute Inference: Inferring Latent Attributes of Twitter Users from Neighbors.” In Proceedings of the Sixth International AAAI Conference on Weblogs and Social Media, pp. 387–90.
5. Predicting Conflict in Space and Time