This volume contains a selection of papers presented at the 15th International Conference on Applications of Declarative Programming and Knowledge M- agement, INAP 2004, and the 18th Workshop on Logic Programming, WLP 2004, which were held jointly in Potsdam, Germany, from March 4th to 6th, 2004. Declarative programming is an advanced paradigm for the modeling and solving of complex problems. This speci?cation method has become more and more attractive in recent years, for example, in the domains of databases, for the processing of natural language, for the modeling and processing of...

This book constitutes the refereed proceedings of the 9th International Symposium on Practical Aspects of Declarative Languages, PADL 2007, held in Nice, France, in January 2007, co-located with POPL 2007, the Symposium on Principles of Programming Languages. The 19 revised full papers presented together with two invited papers were carefully reviewed and selected from 58 submissions. All current aspects of declarative programming are addressed.