Querying Temporal Constraint Networks in PTIME

Koubarakis M, Skiadopoulos S.  1999.  Querying Temporal Constraint Networks in PTIME. Proceedings of the Sixteenth National Conference on Artificial Intelligence and Eleventh Conference on Innovative Applications of Artificial Intelligence, July 18-22, 1999, Orlando, Florida, USA.. :745–750.

Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions

Skiadopoulos S, Koubarakis M.  2002.  Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions. Principles and Practice of Constraint Programming - CP 2002, 8th International Conference, CP 2002, Ithaca, NY, USA, September 9-13, 2002, Proceedings. :341–355.