This volumecontainsthepaperspresentedattheSecondWorkshoponthePr- tical Applications of Declarative Languages (PADL'00) held in Boston, MA, USA, January 17{18, 2000. PADL'00 was co-located with the 27th ACM C- ference on the Principles of ProgrammingLanguages(POPL'00). The event was organized by COMPULOG AMERICAS. Declarativelanguagesbuildonasoundtheoreticalbasisto provideattractive frameworksfor application development. Indeed, these languages havebeen s- cessfully applied to vastly di erent real-worldsituations, ranging from data base management to active networks to software engineering to...

This book celebratesthe 25th anniversaryof GULP--the Italian Associationfor LogicProgramming.Authored by Italian researchersat the leading edge of their ?elds, it presents an up-to-date survey of a broad collection of topics in logic programming, making it a useful reference for both researchers and students. During its 25-year existence, GULP has organised a wide range of national and international activities, including both conferences and summer schools. It has been especially active in supporting and encouraging young researchers, by providing scholarships for GULP events and awarding...

This book constitutes the refereed proceedings of the 17th International Symposium on Practical Aspects of Declarative Languages, PADL 2015, held in Portland, OR, USA, in June 2015.

The 10 revised papers presented were carefully reviewed and selected from numerous submissions. The papers cover all forms of declarative concepts, including, functional, logic, constraints, etc.