Practical Aspects of Declarative Languages 4th International Symposium, PADL 2002, Portland, OR, USA, January 19-20, 2002. Proceedings - Krishnamurthi, Shriram; Krishnamurthi, Shriram; Ramakrishnan, C.R; Ramakrishnan, C.R (Springer Berlin Heidelberg : Imprint: Springer, 2002)