@article{extendingdlrwithlabelledtuples, title = {Extending DLR with Labelled Tuples, Projections, Functional Dependencies and Objectification (full version)}, author = {Alessandro Artale and Enrico Franconi}, year = {2016}, eprint = {1604.00799}, archivePrefix = {arXiv}, url = {http://arxiv.org/abs/1604.00799v1}, }