1. Presented by: Thales Sehn Korting Julio Preciado Farah Saeed 24-03-2010 1 ifgi Spring School 2010

2. Outline Introduction Parameters Primitives Predication Criteria Axioms 2

3. City Relatively large and permanent settlement, particularly large urban settlement (Goodall, 1987). Relatively permanent and highly organized centre of population, of greater size or importance than town or village (British Encyclopedia). Urban area with high population density which is dominated mainly industrial and service activities (Wikipedia.org). 3

4. Town and village A town is a settlement ranging from a few hundred to several thousand (occasionally hundreds of thousands) inhabitants. A village is a clustered human settlement with the population ranging from a few hundred to a few thousands. 4

5. Illustration 5

6. Parameters for City agglomeration >5,000 pop where agriculture < 25% of the total. Inhabitants >10,000 if towns are closely concentrated, engaged primarily secondary and tertiary sectors Source, (Capel, H. 1975) The European Conference of Statistics of Prague 6

7. Primitives City/Town Pop density Economic activity No. of buildings Utilities coverage 7

8. Predication criteria Demarcation Administrative & dynamic boundaries Individuation Demarcation Primitives Identity Town time parameters Town City Village

9. Axioms

10. Thank You 10