Protecting patient geo-privacy via a triangular displacement geo-masking method. - Abdullah Murad; Brian N. Hilton; Thomas A. Horan; John Tangenberg (GeoPrivacy, 2014)

An Environmental Assessment of School Shade Tree Canopy and Implications for Sun Safety Policies: The Los Angeles Unified School District. - April Moreno; John Tangenberg; Brian N. Hilton; June K. Hilton (ISPRS Int. J. Geo Inf., 2015)