@article{journals/ws/GutierrezBasultoIGKK15,
  title = "Queries with negation and inequalities over lightweight ontologies",
  author = "V{\'{\i}}ctor Guti{\'{e}}rrez{-}Basulto and Yazmin Ang{\'{e}}lica Ib{\'{a}}{\~{n}}ez{-}Garc{\'{\i}}a and Roman Kontchakov and Egor V. Kostylev",
  year = "2015",
  journal = "Journal of Web Semantics: Science, Services and Agents on the World Wide Web (JWS)",
  number = "4",
  pages = "184--202",
  volume = "35",
}