Natural Language Processing and Information Systems 5th International Conference on Applications of Natural Language to Information Systems, NLDB 2000, Versailles, France, June 28-30, 2000; Revised Papers Bouzeghoub Mokrane Heftet / 2001 / Engelsk
Natural Language Processing and Information Systems 16th International Conference on Applications of Natural Language to Information Systems, NLDB 2011, Alicante, Spain, June 28-30, 2011, Proceedings Munoz Rafael Heftet / 2011 / Engelsk
Natural Language Processing and Information Systems 14th International Conference on Applications of Natural Language to Information Systems , NLDB 2009, Saarbrücken, Germany, June 24-26, 2009. Revised Papers Horacek Helmut Heftet / 2010 / Engelsk
Conceptual Modeling ER'99 18th International Conference on Conceptual Modeling Paris, France, November 15-18, 1999 Proceedings Akoka Jacky Heftet / 1999 / Engelsk
