@inproceedings{conf/dlog/KostylevR13,
  title = "Complexity of answering counting aggregate queries over {DL-Lite}",
  author = "Egor V. Kostylev and Juan L. Reutter",
  year = "2013",
  booktitle = "Informal Proceedings of the 26th International Workshop on Description Logics (DL 2013), Ulm, Germany, July 23-26, 2013",
  pages = "364--376",
  publisher = "CEUR-WS.org",
  series = "{CEUR} Workshop Proceedings",
  volume = "1014",
}