Model Formulation: HealthMap: Global Infectious Disease Monitoring through Automated Classification and Visualization of Internet Media Reports. - Clark C. Freifeld; Kenneth D. Mandl; Ben Y. Reis; John S. Brownstein (J. Am. Medical Informatics Assoc., 2008)

Automated vocabulary discovery for geo-parsing online epidemic intelligence. - Mikaela Keller; Clark C. Freifeld; John S. Brownstein (BMC Bioinform., 2009)

Integration and visualization of host-pathogen data related to infectious diseases. - Timothy Driscoll; Joseph L. Gabbard; Chunhong Mao; Oral Dalay; Maulik Shukla; Clark C. Freifeld; Anne Gatewood Hoen; John S. Brownstein; Bruno W. S. Sobral (Bioinform., 2011)

Inferences about spatiotemporal variation in dengue virus transmission are sensitive to assumptions about human mobility: a case study using geolocated tweets from Lahore, Pakistan. - Moritz U. G. Kraemer; Donal Bisanzio; Robert C. Reiner Jr.; Rubeena Zakar; Jared B. Hawkins; Clark C. Freifeld; David L. Smith; Simon I. Hay; John S. Brownstein; T. Alex Perkins (EPJ Data Sci., 2018)