Principles of Declarative Programming 10th International Symposium PLILP'98, Held Jointly with the 6th International Conference ALP'98, Pisa, Italy, September 16-18, 1998 Proceedings - Palamidessi, Catuscia; Palamidessi, Catuscia; Glaser, Hugh; Glaser, Hugh; Meinke, Karl; Meinke, Karl (Springer Berlin Heidelberg : Imprint: Springer, 1998)