@inproceedings{IJCAI-2013-kb-exchange,
   title = {Exchanging OWL 2 QL Knowledge Bases},
   year = {2013},
   author = {Marcelo Arenas and Elena Botoeva and Diego Calvanese and Vladislav
		  Ryzhikov},
   booktitle = {Proc. of the 23rd Int. Joint Conf. on Artificial Intelligence
		  (IJCAI 2013)},
   pages     = {703-710},
   note = {Extended version available as CORR technical report at
http://arxiv.org/abs/1304.5810},
   webpdf = {http://www.inf.unibz.it/~ebotoeva/papers/abcr-IJCAI-13.pdf},
   posterpdf = {http://www.inf.unibz.it/~ebotoeva/presentations/abcr-IJCAI-13-poster.pdf}
}