@inproceedings{IJCAI-2015-query-insep,
   title    = {When Are Description Logic Knowledge Bases Indistinguishable?},
   year     = {2015},
   author   = {Elena Botoeva and Roman Kontchakov and Vladislav Ryzhikov and
	      Frank Wolter and Michael Zakharyaschev},
   booktitle = {Proc. of the 24th Int. Joint Conf. on Artificial Intelligence (IJCAI 2015)},
   publisher = {AAAI Press},
   pages     = {4240-4246},
   webpdf = {https://www.doc.ic.ac.uk/~ebotoeva/papers/bkrwz-IJCAI-15.pdf},
   posterpdf = {https://www.doc.ic.ac.uk/~ebotoeva/presentations/bkrwz-IJCAI-15-poster.pdf}
}