In today's society, it is very common for decisions that influence us all to be made by a combination of interested parties, all with their own agenda. In this instance, how can we be sure that the decision is the correct one, not just decided by the group with the most political influence or most money? Such groups have now become fundamental decision-making units within and between organisations in most societies and are more often than not very complex structures. The use of Geographic Information Systems (GIS) Groupware can be used in several practical contexts to make sure that spatial...