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@inproceedings{AIMSA-2010, title = {Expressive Approximations in DL-Lite Ontologies}, year = {2010}, author = {Elena Botoeva and Diego Calvanese and Mariano Rodriguez-Muro}, booktitle = {Proc. of the 14th Int. Conf. on Artificial Intelligence: Methodology, Systems, Applications (AIMSA 2010)}, pages = {21-31}, volume = {6304}, publisher = {Springer}, series = {Lecture Notes in Computer Science} }