1

James F. Allen, Maintaining knowledge about temporal intervals, Communications of the ACM, v.26 n.11, p.832-843, Nov. 1983  [doi>10.1145/182.358434]

2

M. P. Armstroong. Temporality in spatial databases. In Proceedings: GIS/LSI'88, volume 2, pages 880--889, 1988.

3

M. Erwig and M. Schneider. Formalization of advanced map operations. In 9th Int. Symp. on Spatial Data Handling, volume 8a, pages 3--17, 1988.

4

Christian Freksa, Temporal reasoning based on semi-intervals, Artificial Intelligence, v.54 n.1-2, p.199-227, March 1992  [doi>10.1016/0004-3702(92)90090-K]

5

G. Langran and N. Chrisman. A framework for temporal geographic information. Cartographica, 25(3):1--14, 1988.

6

Claudia Bauzer Medeiros , Geneviève Jomier, Using Versions in GIS, Proceedings of the 5th International Conference on Database and Expert Systems Applications, p.465-474, September 07-09, 1994

7

M. Scholl , A. Voisard, Thematic map modeling, Proceedings of the first symposium on Design and implementation of large spatial databases, p.167-190, February 1990, Santa Barbara, California, United States

8

A. Segev and S. Shoshani. A temporal data model based on timesequences. In T. et al., editor, Temporal Databases: Theory, Design, and Implementation, pages 248--270. Benjamin-Cummings, 1993.

9

M. Worboys. A unified model for spatial and temporal information. The Computer J., 37(1):513--532, 1994.

Alberto d'Onofrio: colleagues

Elaheh Pourabbas: colleagues