SDUST President Ren Tingqi metwith Wolfgang Kainz, lifetime professor of the University of Vienna on November12th. Prof. Yu Shengwen, Dean of the College of Geomatics was present at themeeting.

Afterthe meeting, Prof. Kainz gave a lecture to the faculty and students from theCollege of Geomatics titled “Mathematical Principles of GIS”, in which heelaborated on the geographical information science from an ontologicalperspective, and on major techniques of applying logic, topology, and othermathematical methods to GIS.