Staffan Flodin, Kjell Orsborn, Tore Risch. Using Queries with Multi-Directional Functions for Numerical Database Applications. In Witold Litwin, Tadeusz Morzy, Gottfried Vossen, editors, Advances in Databases and Information Systems, Second East European Symposium, ADBIS 98, Poznan, Poland, Spetember 7-10, 1998, Proceedings. Volume 1475 of Lecture Notes in Computer Science, pages 58-70, Springer, 1998. [doi]
Abstract is missing.