TOPICS:

1. Definitions - maps have become two-way devices for exploring ideas and data (uploaded in January 2006)
2. Scope of Digital Cartography - emphasis on the emerging exploratory role of interactive visual maps (uploaded in June 2003)
3. Visualisation, ViSC and Scientific Insight - the need for cross-referencing of data on different displays (uploaded in June 2003)
4. Data Rich - Information Poor - discovering multiple meanings of descriptive data through cross-referencing displays based on research undertaken 1975 - 1982, which introduced the concept which is now known as brushing. (uploaded in Nov 2000). 
5. The Douglas-Peucker Algorithm for Line Simplification: re-evaluation through visualisation - another example of visual cross-referencing of displays in exploration of concepts (uploaded in June 2003)
6. Semiotics - paper submitted in January 2003 to ICA Commission on Theoretical Cartography on Map-induced Semiosis. 
   Published as:  Visvalingam, Mahes: Map-induced semiosis. In: Wolodtschenko, A.(Ed.). "The Selected Problems of Theoretical Cartography 2002", (Dresden) ICA 2003, pp.57-66.