1. Allen, J. F. 1981. An interval based representation of temporal knowledge. Proceedings of the 7th International Joint Conference on Artificial Intelligence (IJCAI ’81). August1981, Vancouver, BC, Canada. pp.221–226.
2. Mirror self-image reactions before age two
3. Learnability and the Vapnik-Chervonenkis dimension
4. Cohen, P. R., Sutton, C. and Burns, B. Learning effects of robot actions using temporal associations. Proceedings of the 2nd International Conference on Development and Learning.