Bloustein School of Planning and Public Policy. Since the early 1970s, she has been involved in the development and application of Geographic Information Systems (GIS). Lyna's GIS research focus includes: (1) studying the use and diffusion of the technology, particularly within U.S. planning agencies; (2) examining the institutional issues in GIS implementation, with a focus on issues of data sharing; (3) designing and implementing appropriate GIS for regional planning agencies; and, (4) integrating GIS technology with traditional urban and regional models.