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ThisvolumecontainsthepapersfromLOPSTR2001,the11thInternational WorkshoponLogic-basedProgramSynthesisandTransformation. Topicsof- teresttoLOPSTRcoverallaspectsoflogic-basedprogramdevelopmentand,in particular, speci?cation, synthesis, veri?cation, transformation, specialization, analysis,optimization,composition,reuse,component-basedsoftwaredevel- ment,andsoftwarearchitectures. LOPSTR 2001 took place in the Coral Beach Hotel in Paphos (Cyprus) fromNovember28 30,2001. PastLOPSTRworkshopswereheldinManchester, UK(1991,1992,1998),Louvain-la-Neuve,Belgium(1993),Pisa,Italy(1994), Arnhem,TheNetherlands(1995),Stockholm,Sweden(1996),Leuven,Belgium (1997),Venice,Italy(1999),andLondon,UK(2000). LOPSTR2001wasco-locatedwiththe17thInternationalConferenceonLo- 1 gicProgramming(ICLP2001) andthe7thInternationalConferenceonPrinci- 2 plesandPracticeofConstraintProgramming(CP2001) . TheLOPSTRc- munitypro?tedalotfromthescienti?cdiscussions,thelecturesoftheinvited speakers,andthevarioussessionsofICLPandCP. I would like to express my gratitude to all the authors of the submitted papersandalltheattendeesfortheircommitmentandcooperation. Amongthe submittedpapers,theProgramCommitteeselected13papersforpresentation. Aftertheworkshop,theauthorswereaskedtosubmitimprovedversionsoftheir paperswhichwerethenreviewedbytheProgramCommittee. The?nalversions havebeencollectedinthisvolume,whichalsoincludesthepaperbyourinvited speaker,NatarajanShankar(StanfordResearchInstitute,MenloPark,USA), onthegenerationofe?cientprogramsfromlogic. MywarmestthanksalsogotoallthemembersoftheProgramCommittee andtheadditionalreviewersfortheirdiligentworkandinvaluablehelp. Iwould liketothankFabioFioravanti(IASI-CNRofRome,Italy),MaurizioProietti (IASI-CNRofRome,Italy),andAntonisKakas(UniversityofCyprus,Cyprus), whoworkedwithmewithgreatenthusiasmanddedicationasmembersofthe OrganizingCommittee. Thepre-proceedingsofLOPSTR2001wereprintedbytheIASIInstituteof theNationalResearchCouncilofRome,Italy,andtheDepartmentofComputer ScienceoftheUniversityofCyprusinNicosia. IalsothankSpringerforaccepting topublishthese?nalproceedingsintheLNCSseries. TheLOPSTR2001home pageis:iasi. rm. cnr. it/ adp/lopstr01cfp. html. April2002 AlbertoPettorossi 1 Codognet,Ph. ,editor,LogicProgramming ICLP2001,LectureNotesinComputer Science 2237,Springer-Verlag,2001. 2 Walsh,T. ,editor,PrinciplesandPracticeofConstraintProgramming CP2001, LectureNotesinComputerScience 2239,Springer-Verlag,2001. ProgramChair AlbertoPettorossi Universit`adegliStudidiRoma TorVergata ,Italy ProgramCommittee DavidBasin Albert-Ludwigs-Universit atFreiburg,Germany AntonioBrogi Universit`adiPisa,Italy MauriceBruynooghe KatholiekeUniversiteitLeuven,Belgium NicolettaCocco Universit`aCa FoscaridiVenezia,Italy MireilleDucass e IRISA/INSA,France SandroEtalle TwenteUniversity&CWI,TheNetherlands JohnGallagher UniversityofBristol,UK RobertGluc k WasedaUniversity,Japan MichaelHanus Christian-Albrechts-Universit atzuKiel,Germany ManuelHermenegildo UniversidadPolit ecnicadeMadrid,Spain PatriciaHill UniversityofLeeds,UK Kung-KiuLau UniversityofManchester,UK MichaelLeuschel UniversityofSouthampton,UK TorbenMogensen UniversityofCopenhagen,Denmark AlbertoPettorossi Universit`adegliStudidiRoma TorVergata ,Italy I. V. Ramakrishnan StateUniversityofNewYorkatStonyBrook,USA DonSannella UniversityofEdinburgh,UK ZoltanSomogyi UniversityofMelbourne,Australia AdditionalReferees Jos eAlferes StefanGruner SabinaRossi AnnalisaBossi PaulJackson FaustoSpoto Lu ?sFernandoCastro FrancisKlay MathieuTuruani AlessandraDiPierro GiridharPemmasani WimVanhoof YifeiDong MaurizioProietti FabioFioravanti Germ anPuebla SponsoringInstitutions TheAssociationforLogicProgramming TheCOLOGNet TheInternationalFederationforComputationalLogic TheIASIInstituteofCNR(Italy) Universit`adegliStudidiRoma TorVergata (Italy) TableofContents InvitedSpeaker Static Analysis for Safe Destructive Updates in a Functional Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of contents
Invited Speaker.- Static Analysis for Safe Destructive Updates in a Functional Language.- Program Transformation and Equivalence.- A Transformation Technique for Datalog Programs Based on Non-deterministic Constructs.- On Deforesting Parameters of Accumulating Maps.- Equivalence in Answer Set Programming.- Program Verificaion.- Proof Theory, Transformations, and Logic Programming for Debugging Security Protocols.- Abstract Conjunctive Partial Deduction Using Regular Types and Its Application to Model Checking.- Verification of Sets of Infinite State Processes Using Program Transformation.- Program Analysis.- When Size Does Matter.- Symbolic Profiling for Multi-paradigm Declarative Languages.- Program Development.- Correct Object-Oriented Systems in Computational Logic.- A Framework for Developing Embeddable Customized Logics.- Computing Environment-Aware Agent Behaviours with Logic Program Updates.- Program Synthesis.- Extracting General Recursive Program Schemes in Nuprl's Type Theory.- Extracting Exact Time Bounds from Logical Proofs.
