@inproceedings{simsek-icml-04, author = {\"Ozg\"ur \c{S}im\c{s}ek and Andrew G. Barto}, title = {Using relative novelty to identify useful temporal abstractions in reinforcement learning}, booktitle = {Proceedings of the Twenty-First International Conference on Machine Learning}, pages="751--758", year = {2004}, location = {Banff, Alberta, Canada}, publisher = {ACM Press}, }