Preface: Volume 82, Issue 3.

This volume contains the papers presented at the Third Workshop on Language Descriptions, Tools and Applications (LDTA ′03), held in Warsaw, Poland, April 6, 2003, as a satellite event of the European Joint Conferences on Theory and Practice of Software (ETAPS ′03). LDTA ′03 continues the tradition established with the previous two instances of the workshop which were held in Genoa, Italy (2001) and Grenoble, France (2002), as satellite events of ETAPS.The aim of this workshop is to bring together researchers from academia and industry interested in the field of formal language definitions and language technologies, with a special emphasis on tools developed for or with these language definitions. Benefits of such active research fields are, among others: program analysis, transformation, generation; the formal analysis of language properties, and the automatic generation of language processing tools. The workshop welcomes contributions on all aspects of formal language definitions, with special emphasis on applications and tools developed for or with these language definitions.The LDTA ′03 program consists of 11 regular papers, which were selected from 25 submissions, and one invited talk by Hassan Aït Kaci on An Abstract and Reusable Programming Language Architecture. The selected papers cover a broad range of themes such as visual languages, parsing, refactoring and coverage techniques, attribute grammars, and frameworks for datatype transformation and register allocation.We also wish to express our gratitude to all the members of the program committee, and to all the outside referees for their care in reviewing the papers. We would like to thank the ETAPS organizing committee for taking care of the local organization of the workshop. Furthermore, we are also very pleased with the sponsorship of ACM SIGPLAN and with the publication of these proceedings in the Electronic Notes in Theoretical Computer Science (ENTCS) by Elsevier.Barrett BryantJoão SaraivaBirmingham (USA) and Braga (Portugal), April, 2003Organizing CommitteeIsabelle Attali, INRIA Sophia Antipolis, FranceMark van den Brand, CWI Amsterdam, The NetherlandsPierre-Etienne Moreau, Loria Nancy, FranceProgram CommitteeDon Batory, University of Texas at Austin, USABarrett Bryant, University of Alabama at Birmingham, USA (co-chair)Uwe Glaesser, Simon Fraser University, CanadaKatsuhiko Gondow, Japan Advanced Institute of Science and Technology, JapanUwe Kastens, University of Paderborn, GermanyPaul Klint, CWI, The NetherlandsJan Madey, University of Warsaw, PolandMarjan Mernik, University of Maribor, SloveniaThomas Noll, University of Aachen, GermanyOege de Moor, Oxford University Computing Laboratory, EnglandPeter D. Mosses, BRICS, University of Aarhus, DenmarkJoão Saraiva, University of Minho, Portugal (co-chair)Eelco Visser, University of Utrecht, The Netherlands [Copyright &y& Elsevier]

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