Spatial reasoning (through region-based theories that mirror interval-based theories) has been done by (Cohn, Bennett, Gooday and Gotts 1997). In addition, there is considerable research and development into spatiotemporal databases (e.g. Koubarakis, Sellis. et al. 2003) to study the evolution of ecological, economical or other phenomena on earth. Most reasoning in computer science restricted to calculating operations with temporal information, purely spatial or spatiotemporal, rather than semantics of contextual properties