Thomas Eiter, Nicola Leone, Cristinel Mateis, Gerald Pfeifer, Francesco Scarcello. (no title). In Troels Andreasen, Henning Christiansen, Henrik Legind Larsen, editors, Flexible Query Answering Systems, Third International Conference, FQAS 98, Roskilde, Denmark, May 13-15, 1998, Proceedings. Volume 1495 of Lecture Notes in Computer Science, pages 148-163, Springer, 1998. [doi]

@inproceedings{EiterLMPS98,
  author = {Thomas Eiter and Nicola Leone and Cristinel Mateis and Gerald Pfeifer and Francesco Scarcello},
  year = {1998},
  url = {http://link.springer.de/link/service/series/0558/bibs/1495/14950148.htm},
  researchr = {https://researchr.org/publication/EiterLMPS98},
  cites = {0},
  citedby = {0},
  pages = {148-163},
  booktitle = {Flexible Query Answering Systems, Third International Conference, FQAS 98, Roskilde, Denmark, May 13-15, 1998, Proceedings},
  editor = {Troels Andreasen and Henning Christiansen and Henrik Legind Larsen},
  volume = {1495},
  series = {Lecture Notes in Computer Science},
  publisher = {Springer},
  isbn = {3-540-65082-2},
}