The International Symposium on Practical Aspects of Declarative Languages (PADL)focusesonpracticalapplicationsofdeclarativelanguages. Thecollection ofpapersinthisvolumewaspresentedatPADL2001. Thesymposiumwasheld inLasVegas,Nevada,March11 12,2001. Fortypapersweresubmittedinresponsetothecallforpapers. Twenty-three paperswere?nallyselectedforpresentationatthesymposium. Thesymposium includedinvitedtalksbyJoeArmstrongofBluetail,RaghuRamakrishnanfrom theUniversityofWisconsinatMadison,andDavidS. Warrenfromthe State UniversityofNewYorkatStonyBrook. ThesymposiumwassponsoredandorganizedbyCOMPULOGAMERICAS ,anetworkofresearchgroupsdedicated topromotingresearchinlogicprogrammingandrelatedareas,bytheAssoc- tionforLogicProgramming,theDepa- mentofComputerScience,UniversityofTexasatDallasandtheDepartment ofComputerScienceattheStateUniversityofNewYorkatStonyBrook. The supportofmanyindividualswascrucialtothesuccessofthissymposium. My thankstoGiridharPemmasani,SamikBasu,DivyangiAnchan,ShachiPoddar, and Shabbir Dahodwala for their help with organizing and managing the - viewingprocess. SpecialthankstoR. C. Sekarforsettingupandmanagingthe PADL2001 web site and to Gopal Gupta for handling all the organizational details. Manythankstotheprogramcommitteemembersforalltheirhelpin- viewingandtheiradvice. Finally,mythankstoalltheauthorswhotookinterest inPADL2001andsubmittedpapers. January2001 I. V. Ramakrishnan ProgramChair ProgramCommittee S. Antoy PortlandStateUniv. S. Debray Univ. ofArizona M. Fromherz XeroxPARC C. Geyer FederalUniversityofRioGrandedoSul,Brazil B. Goldberg NYU N. Heintze BellLabs,LucentTechnologies S. Krishnamurthi BrownUniversity L. Maranget INRIARocquencourt E. Meijer UtrechtUniversity G. Morrisett CornellUniversity U. Nilsson LinkopingUniversity C. Palamidessi PennStateUniv. E. Pontelli NewMexicoStateUniv. I. V. Ramakrishnan(PCChair) SUNYStonyBrook D. Sands ChalmersUniversityofTechnology R. Sekar SUNYStonyBrook D. Srivastava AT&TLabsResearch T. Swift SUNYStonyBrook K. Ueda WasedaUniversity R. Yap NationalUniversityofSingapore N-F. Zhou CUNYBrooklynCollegeandGraduateCenter Referees S. Antoy S. Krishnamurthi C. R. Ramakrishnan S. Debray L. Maranget D. Sands Frank G. Morrisett R. Sekar M. Fromherz K. NarayanKumar D. Srivastava C. Geyer U. Nilsson P. Swift B. Goldberg C. Palamidessi K. Ueda N. Heintze G. Pemmasani R. Yap O. Kaser E. Pontelli N-F. Zhou SponsoringInstitutions COMPULOGAMERICAS, cs. nmsu. edu/~complog AssociationforLogicProgramming, cwi. nl/projects/alp TableofContents AModelCheckerforValue-PassingMu-CalculusUsingLogic Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 C. R. Ramakrishnan DesignandImplementationoftheHigh-LevelSpeci?cationLanguage CSP(LP)inProlog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 M. Leuschel Frapp e:FunctionalReactiveProgramminginJava . . . . . . . . . . . . . . . . . . . . . 29 A. Courtney FromSubjectDirectoriestoSubjectMeta-directoriesviaDeclarative Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 A. BrogiandG. Caruso ProgrammingGoal-DrivenWebSitesUsinganAgentLogicLanguage . . . . 60 M. Baldoni,C. Baroglio,A. Chiarotto,andV. Patti High-LevelServerSideWebScriptinginCurry . . . . . . . . . . . . . . . . . . . . . . . . 76 M. Hanus LogicProgrammingTechniquesforDynamicVRMLWebContent Generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 A. GuptaandP. Tarau SoftConstraintsforSecurityProtocolAnalysis:Con?dentiality. . . . . . . . . . A Model Checker for Value-Passing Mu-Calculus Using Logic Programming.- Design and Implementation of the High-Level Specification Language CSP(LP) in Prolog.- Frappé: Functional Reactive Programming in Java.- From Subject Directories to Subject Meta-directories via Declarative Programming.- Programming Goal-Driven Web Sites Using an Agent Logic Language.- High-Level Server Side Web Scripting in Curry.- Logic Programming Techniques for Dynamic VRML Web Content Generation.- Soft Constraints for Security Protocol Analysis: Confidentiality.- Secure Deductive Databases.- Specifying Authentication Protocols Using Rewriting and Strategies.- Interoperability between Bioinformatics Tools: A Logic Programming Approach.- An A-Prolog Decision Support System for the Space Shuttle.- tuProlog: A Light-Weight Prolog for Internet Applications and Infrastructures.- A Novel Implementation of the Extended Andorra Model.- Soundcheck for SQL.- Compiling High-Level Type Constructors in Constraint Programming.- Constraint Database Models Characterizing Timed Bisimilarity.- Spatio-temporal Annotated Constraint Logic Programming.- A Meta-heuristic for Subset Problems.- Construction and Optimization of a Parallel Engine for Answer Set Programming.- FVision: A Declarative Language for Visual Tracking.- A Most Specific Method Finding Algorithm for Reflection Based Dynamic Prolog-to-Java Interfaces.- State Generation in the PARMC Model Checker.
