Algorithms — ESA’ 98: 6th Annual European Symposium Venice, Italy, August 24–26, 1998 Proceedings PDF
Preview Algorithms — ESA’ 98: 6th Annual European Symposium Venice, Italy, August 24–26, 1998 Proceedings
Lecture Notes in Computer Science 1461 Edited by G. Goos, J. Hartmanis and J. van Leeuwen 3 Berlin Heidelberg NewYork Barcelona Budapest HongKong London Milan Paris Singapore Tokyo Gianfranco Bilardi Giuseppe F. Italiano Andrea Pietracaprina Geppino Pucci (Eds.) Algorithms – ESA ’98 6th Annual European Symposium Venice, Italy, August 24-26, 1998 Proceedings 1 3 VolumeEditors GianfrancoBilardi Universita` diPadova,DipartimentodiElettronicaeInformatica viaGradenigo6/A,I-35131Padova,Italy and TheUniversityofIllinoisatChicago DepartmentofElectricalEngineeringandComputerScience 851SouthMorganStreet-1009SEO,Chicago,IL60607-7053,USA E-mail:[email protected] GiuseppeF.Italiano Universita` "Ca´ Foscari"diVenezia DipartimentodiMatematicaApplicataeInformatica viaTorino155,I-30173VeneziaMestre,Italy E-mail:[email protected] AndreaPietracaprina Universita` diPadova,DipartimentodiMatematicaPuraeApplicata viaBelzoni7,I-35131Padova,Italy E-mail:[email protected] GeppinoPucci Universita` diPadova,DipartimentodiElettronicaeInformatica viaGradenigo6/A,I-35131Padova,Italy E-mail:[email protected] Cataloging-in-Publicationdataappliedfor DieDeutscheBibliothek-CIP-Einheitsaufnahme Algorithms:6thannualEuropeansymposium;proceedings/ESA ’98,Venice,Italy,August24-26,1998.GianfrancoBilardi...(ed.).- Berlin;Heidelberg;NewYork;Barcelona;Budapest;HongKong ;London;Milan;Paris;Singapore;Tokyo:Springer,1998 (Lecturenotesincomputerscience;Vol.1461) ISBN3-540-64848-8 CRSubjectClassification(1991):F.2,G.1-2,I.3.5,C.2,E.1 ISSN0302-9743 ISBN3-540-64848-8Springer-VerlagBerlinHeidelbergNewYork This work is subject to copyright.All rights are reserved, whether the whole or part of the material is concerned,specificallytherightsoftranslation,reprinting,re-useofillustrations,recitation,broadcasting, reproductiononmicrofilmsorinanyotherway,andstorageindatabanks.Duplicationofthispublication orpartsthereofispermittedonlyundertheprovisionsoftheGermanCopyrightLawofSeptember9,1965, initscurrentversion,andpermissionforusemustalwaysbeobtainedfromSpringer-Verlag.Violationsare liableforprosecutionundertheGermanCopyrightLaw. ©Springer-VerlagBerlinHeidelberg1998 PrintedinGermany Typesetting:Camera-readybyauthor SPIN:10638295 06/3142–543210 Printedonacid-freepaper Preface Thisvolumecontains40contributedpapersacceptedforpresentationatthe6th Annual European Symposium on Algorithms (ESA’98), Venice, Italy, August 24–26, 1998, and the invited lectures by Eli Upfal (Brown) and Jeffrey Vitter (Duke). ESA is an annual meeting, with previous meetings held in Bad Honnef, Utrecht, Corfu, Barcelona, and Graz, and covers research in the use, design, and analysis of efficient algorithms and data structures as it is carried out in computerscience,discreteappliedmathematicsandmathematicalprogramming. ProceedingsofESAhavebeentraditionallypartoftheLNCSseriesofSpringer- Verlag. The symposium is promoted and coordinated by a steering committee, whose current composition is: Gianfranco Bilardi, Padua & UIC Kurt Mehlhorn, Saarbru¨cken Josep Diaz, Barcelona Ralf H. Mo¨hring, Berlin Giuseppe F. Italiano, Venice Gerhard Woeginger, Graz The Program Committee of ESA’98 consisted of: Gianfranco Bilardi, Co-chair, Kurt Mehlhorn, Saarbru¨cken Padua & UIC Friedhelm Meyer auf der Heide, Jean Daniel Boissonnat, Paderborn Sophia Antipolis Grammati Pantziou, Patras Kieran T. Herley, Cork Mike Paterson, Warwick Dorit Hochbaum, Berkeley Jos´e Rolim, Geneva Giuseppe F. Italiano, Co-Chair, Erik M. Schmidt, Aarhus Venice Maria Serna, Barcelona Ludˇek Kuˇcera, Prague Paul Vitanyi, Amsterdam Richard J. Lipton, Princeton Gerhard Woeginger, Graz Yishay Mansour, Tel-Aviv There were 131 extended abstracts submitted in response to a call for pa- pers. Papers were solicited describing original results in all areas of algorithmic research, including but not limited to: approximation algorithms; combinatorial optimization; computational biology; computational geometry; databases and information retrieval; graph and network algorithms; machine learning; number theory and computer algebra; on-line algorithms; pattern matching and data compression;symboliccomputation.Submissionsthatreportedonexperimental and applied research were especially encouraged. The contributed papers were selected by the program committee, which met in Padova, Italy, on April 24 and 25, 1998. The selection of contributed papers was based on originality, quality, and relevance to the symposium. Considerable effort was devoted to the evaluation of the submissions. Extensive feedback was provided to authors as a result, which we hope has proven helpful. However, submissionswerenotrefereedinthethoroughanddetailedwaythatiscustomary VI Preface forjournalpapers.Manysubmissionsrepresentreportsofcontinuingresearch.It isexpectedthatmostofthepapersintheseproceedingswilleventuallyappearin finishedforminscientificjournals.WebelievethatthefinalprogramofESA’98, organized into ten sessions, represents an interesting cross section of research efforts in the area of algorithms. We wish to thank the program committee, and all of those who submitted abstracts for consideration. We thank all of our many colleagues who helped the program committee in evaluating the submissions. Their names appear in a separate list, and we apologize to anyone whose name is omitted. ESA’98 could not have happened without the dedicated work of the organizing committee, consisting of: Francesco Bombi, Chair, Padua Andrea Pietracaprina, Padua Dora Giammarresi, Venice Fabio Pittarello, Venice Salvatore Orlando, Venice Geppino Pucci, Padua Marcello Pelillo, Venice Alessandro Roncato, Venice The agency Key Congress & Communications acted as a secretariat for the symposium. We gratefully acknowledge the generous support of the ESA’98 sponsors: Consiglio Nazionale delle Ricerche UNESCO InfoCamere Universita` di Padova IRT Universita` Ca’ Foscari di Venezia Telecom Italia Finally, Andrea Pietracaprina and Geppino Pucci have been invaluable co- editors of these proceedings. Padua, June 1998 Gianfranco Bilardi Venice, June 1998 Giuseppe F. Italiano List of Reviewers Stephen Alstrup Panagiota Fatourou Brian Mayoh Carme Alvarez Uri Feige S. Muthukrishnan Charles Anderson Sandra Feisel Seffi Naor Gyarfas Andras Afonso Ferreira Apostol Natsev Alexander Andreev Michele Flammini Stefan Nilsson Lars Arge Dimitris Fotakis Michael Noecker Mike Atkinson Gudmund Frandsen John Noga Yonatan Aumann Joaquim Gabarro Eli Olinick Yossi Azar Raffaele Giancarlo Rasmus Pagh Amotz Bar-Noy Leslie Ann Goldberg Alessandro Panconesi B. Beauquier Paul Goldberg Jakob Pagter Vincent Berry Olivier Goldschmidt Panos Pardalos Hans Bodlaender Mordecai Golin Boaz Patt-Shamir Karl F. Bohringer Jacek Gondzio Aleksandar Pekec Maria Luisa Bonet Roberto Grossi Christian N. S. Pedersen Allan Borodin Dan Halperin George Pentaris J. Boyar Kostas Hatzis S. Perennes Peter Bro Miltersen Han Hoogeveen Jordi Petit Gerth Brodal Martin Hu¨hne Leonidas Pitsoulis Herve Bronnimann Ferran Hurtado Guido Proietti Tiziana Calamoneri Rob Irving Teresa Przytycka Ioannis Caragiannis Tao Jiang Yuval Rabani Rafael Casas Ben Juurlink Tomasz Radzik Frederic Cazals Howard Karloff Rajeev Raman Otfried Cheong Claire Kenyon R. Ravi Siu-Wing Cheng Hal Kierstead Franz Rendl Andrea Clementi Bettina Klinz Herman te Riele Pierluigi Crescenzi Stavros Koliopoulos Ingo Rieping Felipe Cucker Spyros Kontogiannis Gianluca Rossi Artur Czumaj Giuseppe Lancia Guenter Rote James Davenport Bruno Lang Vera Sacristan Sergio De Agostino Mike Langston Cenk Sahinalp Mark De Berg Kim S. Larsen Christian Scheideler Pavan Kumar Desikan Jan van Leeuwen Klaus Schro¨der Tassos Dimitriou Stefano Leonardi Petra Schuurman Josep Diaz Mauro Leoncini Eli Shamir Giuseppe Di Battista Giuseppe Liotta Ron Shamir Miriam Di Ianni Martin Loebel Steve Seiden Yefim Dinitz Tamas Lukovszki Nir Shavit Amalia Duch Vasilis Mamalis Jop F. Sibeyn Ran El-Yaniv Joseph Manning Riccardo Silvestri David Eppstein Conrado Martinez Alistair Sinclair Funda Ergun Annalisa Massini Michiel Smid Martin Farach-Colton J. Matousek Danuta Sosnowska VIII List of Reviewers Aravind Srinivasan Zsolt Tuza Fatos Xhafa Yiannis Stamatiou Eli Upfal Kathy Yelick Andrea Sterbini Berthold Vo¨cking Christos Zaroliagis Michel Syska Nicolai Vorobjov Martin Ziegler Luca G. Tallini Rolf Wanka Paul Zimmerman Vasilis Tampakas Todd Wareham Uri Zwick Luca Trevisan Matthias Westermann Thierry Zwissig John Tromp Pawel Winter Table of Contents Invited Lectures External Memory Algorithms........................................ 1 Jeffrey S. Vitter Design and Analysis of Dynamic Processes: A Stochastic Approach....... 26 Eli Upfal Data Structures Car-Pooling as a Data Structuring Device: The Soft Heap............... 35 Bernard Chazelle Optimal Prefix-Free Codes for Unequal Letter Costs: Dynamic Programming with the Monge Property............................... 43 Phil Bradford, Mordecai J. Golin, Lawrence L. Larmore, Wojciech Rytter Finding All the Best Swaps of a Minimum Diameter Spanning Tree under Transient Edge Failures............................................. 55 Enrico Nardelli, Guido Proietti, Peter Widmayer Strings and Biology Augmenting Suffix Trees, with Applications ........................... 67 Yossi Matias, S. Muthukrishnan, Su¨leyman C. S.ahinalp, Jacob Ziv Longest Common Subsequence from Fragments via Sparse Dynamic Programming...................................................... 79 Brenda S. Baker, Raffaele Giancarlo Computing the Edit-Distance Between Unrooted Ordered Trees.......... 91 Philip N. Klein Analogs and Duals of the MAST Problem for Sequences and Trees ....... 103 Michael Fellows, Michael Hallett, Chantal Korostensky, Ulrike Stege Numerical Algorithms Complexity Estimates Depending on Condition and Round-Off Error ..... 115 Felipe Cucker, Steve Smale
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