Ternary Point Configuration Calculus


Ternary Point Configuration Calculus (TPCC) deals with point-like objects in the 2D-plane. It is a application based variant of the Double Cross calculus, allowing finer distinctions of positional information than the calculi presented before.


The API can be found here.


[1]Moratz, R.; Nebel, B.; and Freksa, C. 2003. Qualitative spatial reasoning about relative position: The tradeoff between strong formal properties and successful reasoning about route graphs. In Freksa, C.; Brauer, W.; Habel, C.; and Wender, K. F., eds., Lecture Notes in Artificial Intelligence 2685: Spatial Cognition III. Berlin, Heidelberg: Springer Verlag. 385–400.
[2]Dylla, F., and Moratz, R. 2004. Empirical complexity issues of practical qualitative spatial reasoning about relative position. In Workshop on Spatial and Temporal Reasoning, ECAI’04.
[3]Introduction to the Ternary Point Configuration Calculus http://www.sfbtr8.spatial-cognition.de/project/r3/QualitativeCalculi/TPCC/index.html