GIS Science

GIS is more than just a computer system it can also be a science.

http://www.ncgia.ucsb.edu/education/curricula /giscc/units/u002/ This will provide an introduction to GIScience. Do the discussion and study questions if they will help your understanding.

For an indication of the sorts of research going on within GIS science look through some back copies of the International Journal of Geographic Information Science. You can access their online contents at http://www.tandf.co.uk/journals/tf/13658816.html