Practical Aspects of Declarative Languages

1. Front Matter

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2. Invited Talk

   1. On Preferring and Inspecting Abductive Models

      • Luís Moniz Pereira, Pierangelo Dell’Acqua, Gonçalo Lopes

      Pages 1-15

3. User Interfaces and Environments

   1. Declarative Programming of User Interfaces

      • Michael Hanus, Christof Kluß

      Pages 16-30

   2. Huge Data But Small Programs: Visualization Design via Multiple Embedded DSLs

      • D. J. Duke, R. Borgo, M. Wallace, C. Runciman

      Pages 31-45

   3. Toward a Practical Module System for ACL2

      • Carl Eastlund, Matthias Felleisen

      Pages 46-60

4. Networks and Data

   1. Declarative Network Verification

      • Anduo Wang, Prithwish Basu, Boon Thau Loo, Oleg Sokolsky

      Pages 61-75

   2. Operational Semantics for Declarative Networking

      • Juan A. Navarro, Andrey Rybalchenko

      Pages 76-90

   3. Ad Hoc Data and the Token Ambiguity Problem

      • Qian Xi, Kathleen Fisher, David Walker, Kenny Q. Zhu

      Pages 91-106

5. Multi-threading and Parallelism

   1. High Level Thread-Based Competitive Or-Parallelism in Logtalk

      • Paulo Moura, Ricardo Rocha, Sara C. Madeira

      Pages 107-121

   2. Implementing Thread Cancellation in Multithreaded Prolog Systems

      • Atef Suleiman, John Miller

      Pages 122-136

   3. Interoperating Logic Engines

      • Paul Tarau, Arun Majumdar

      Pages 137-151

6. Databases and Large Data Sets

   1. High-Level Interaction with Relational Databases in Logic Programming

      • António Porto

      Pages 152-167

   2. Typed Datalog

      • David Zook, Emir Pasalic, Beata Sarna-Starosta

      Pages 168-182

   3. Using Bloom Filters for Large Scale Gene Sequence Analysis in Haskell

      • Ketil Malde, Bryan O’Sullivan

      Pages 183-194

7. Tabling and Optimization

   1. One Table Fits All

      • Jorge Costa, Ricardo Rocha

      Pages 195-208

   2. Recycle Your Arrays!

      • Roman Leshchinskiy

      Pages 209-223

   3. Towards a Complete Scheme for Tabled Execution Based on Program Transformation

      • Pablo Chico de Guzman, Manuel Carro, Manuel V. Hermenegildo

      Pages 224-238

8. Language Extensions and Implementation

   1. Improving Performance of Conformant Planners: Static Analysis of Declarative Planning Domain Specifications

      • Dang-Vien Tran, Hoang-Khoi Nguyen, Enrico Pontelli, Tran Cao Son

      Pages 239-253

   2. Layered Models Top-Down Querying of Normal Logic Programs

      • Luís Moniz Pereira, Alexandre Miguel Pinto

      Pages 254-268

   3. Secure Implementation of Meta-predicates

      • Paulo Moura

      Pages 269-283

Declarative languages have long promised the ability to rapidly create easily maintainable software for complex applications. The International Symposium of Practical Aspects of Declarative Languages (PADL) provides a yearly - rum for presenting results on the principles the implementations and especially the applications of declarative languages. The PADL symposium held January 19–20, 2009 in Savannah, Georgia was the 11th in this series. This year 48 papers were submitted from authors in 17 countries. The P- gram Committee performed outstandingly to ensure that each of these papers submitted to PADL 2009 was thoroughly reviewed by at least three referees in a short period of time. The resulting symposium presented a microcosm of how the current generation of declarative languages are being used to address real applications, along with on-going work on the languages themselves. The program also included two invited talks, “Inspecting and Preferring Abductive Models” by Luis Moniz Pereira and “Applying Declarative Languages to C- mercial Hardware Design” by Je? Lewis. Regular papers presented a variety of applications, including distributed applications over networks, network veri?- tion, user interfaces, visualization in astrophysics, nucleotide sequence analysis and planning under incomplete information. PADL 2009 also included ongoing work on the declarative languages themselves. Multi-threaded and concurrent Prolog implementation was addressed in several papers, as were innovations for tabling in Prolog and functional arraysin Haskell. Recent applications have also sparked papers on meta-predicates in Prolog and a module system for ACL2.

• agent oriented programming
• answer set programming
• concurrency
• database
• decision making
• declarative languages
• declarative networking
• declarative programming
• distributed syste
• logic
• optimization
• programming
• programming language
• verification
• visualization

• University of Kansas, Lawrence, USA

  Andy Gill

• Universidade Nova de Lisboa, CENTRIA, Sheperdstown, USA

  Terrance Swift

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