@InProceedings{CD+07,
    Author       = "Calvanese, D. and De Giacomo, G. and Lembo, D. and Lenzerini, M. and
                    Rosati, R.",
    Year         = "2007",
    Title        = "{EQL-Lite: Effective First-Order Query Processing in Description Logics}",
    Editor       = "Velosco, M.",
    BookTitle    = "{Proceedings of the 20th International Joint Conference on Artificial
                    Intelligence}",
    Place        = "Hyderabad, India",
    Pages        = "274-279",
    Comment      = "TPTPRef"
}