@InProceedings{LIS1,<br>title = {Constructing Symbolic Representations for High-Level Planning},<br>author = {George D. Konidaris and Leslie Kaelbling and Tomas Lozano-Perez},<br>year = {2014},<br>url = {http://people.csail.mit.edu/gdk/pubs/orig_sym_aaai.pdf},<br>booktitle = {Proceedings of the Twenty-Eighth Conference on Artificial Intelligence},<br>}