Hans-Joachim Klein. Null Values in Relational Databases and Sure Information Answers. In Leopoldo E. Bertossi, Gyula O. H. Katona, Klaus-Dieter Schewe, Bernhard Thalheim, editors, Semantics in Databases, Second International Workshop, Dagstuhl Castle, Germany, January 7-12, 2001, Revised Papers. Volume 2582 of Lecture Notes in Computer Science, pages 119-138, Springer, 2001. [doi]
@inproceedings{Klein01:5, title = {Null Values in Relational Databases and Sure Information Answers}, author = {Hans-Joachim Klein}, year = {2001}, url = {http://link.springer.de/link/service/series/0558/bibs/2582/25820119.htm}, tags = {relational database}, researchr = {https://researchr.org/publication/Klein01%3A5}, cites = {0}, citedby = {0}, pages = {119-138}, booktitle = {Semantics in Databases, Second International Workshop, Dagstuhl Castle, Germany, January 7-12, 2001, Revised Papers}, editor = {Leopoldo E. Bertossi and Gyula O. H. Katona and Klaus-Dieter Schewe and Bernhard Thalheim}, volume = {2582}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-00957-4}, }