Dr. Sisi Zlatanova is an assistant professor at the GIS Technology section, Delft University of Technology, The Netherlands. She graduated as a surveyor from the University of Architecture, Civil Engineering and Geodesy (UACG), Sofia, Bulgaria, in 1983 and obtained her Ph.D. in 3D GIS for urban modelling at the Graz University of Technology, Graz, Austria, in 2000. She worked as a software programmer at the Central Cadastre in Sofia, Bulgaria, from 1984 to 1989, as an assistant-professor at UACG, Sofia, Bulgaria, from 1989 to 1995, and as a researcher at the International Institute for Geo-Information Science and Earth Observation (ITC), Enschede, The Netherlands, from 1995 to 1999. Her research focus is on the third dimension: 3D object reconstruction, 3D data structures and geo-databases, 3D spatial relationships (topology) and 3D visualization (VR and AR). She is an international editor for Geo-Science Journal , reviewer for PE&RS , JGIS , and JC&G , and author and editor of lecture notes. She is a Chair o
