@article{reasoningoverontologieswithhiddencontent,
  title = {Reasoning over Ontologies with Hidden Content: The Import-by-Query Approach},
  author = {Bernardo Cuenca Grau and Boris Motik},
  year = {2014},
  eprint = {1401.5853},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1401.5853v1},
}