Databases in Networked Information Systems

Professor ShoichiNoguchi,President,providedencouragementandtookinterestinthe formationoftheplan. IthankProfessorShunjiMori,HeadofDepartmentof ComputerSoftware,formakingthesupportavailable. Iexpressmygratitudeto themembersandchairmanoftheInternationalA?airsCommitteeforsuppo- ingtheworkshopproposal. Ialsothankallmycolleaguesattheuniversityfor theircooperationandsupport. September2000 SubhashBhalla VI Organization Organization DNIS2000internationalworkshopisorganizedbytheDatabaseSystemsLa- ratory,UniversityofAizu,Aizu-WakamatsuCity,Fukushima,Japan. ExecutiveCommittee ProgramChair: S. Bhalla,UniversityofAizu,Japan OrganizingChair: QunJin,UniversityofAizu,Japan ExecutiveChair: N. Bianchi-Berthouze,Universityof Aizu,Japan ProgramCommittee D. Agrawal,UniversityofCalifornia,USA F. Andres,NationalCenterforScienceInformationSystems,Japan A. Basu,VanderbiltUniversity,USA S. Bhalla,UniversityofAizu,Japan P. C. P. Bhatt,KochiTechnicalUniversity,Japan J. Biskup,UniversityofDortmund,Germany U. Dayal,Hewlett-PackardLaboratories,USA S. Grumbach,INRIA,France O. Hammami,UniversityofAizu,Japan J. R. Haritsa,IndianInstituteofScience,India S. Jajodia,GeorgeMasonUniversity,USA Q. Jin,UniversityofAizu,Japan M. Kitsuregawa,UniversityofTokyo,Japan A. Kumar,UniversityofColorado,USA J. Li,UniversityofTsukuba,Japan S. K. Madria,PurdueUniversity,USA G. Mans?eld,TohokuUniversity,Japan P. K. Reddy,UniversityofTokyo,Japan M. V. Sreenivas,SylantroSystems,USA N. Terashima,WasedaUniversity,Japan AdditionalReviewers LawrenceMutenda,InstituteofIndustrialSciences,UniversityofTokyo,Japan TadashiOhmori,UniversityofElectro-Communications,Chofu,Japan SponsoringInstitution InternationalA?airsCommittee,UniversityofAizu, Aizu-WakamatsuCity,FukushimaP. O. 965-8580,Japan TableofContents DataManagementSystems OLAP-BasedDataMiningforBusinessIntelligenceApplications inTelecommunicationsandE-commerce. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 QimingChen,UmeshwarDayal,MeichunHsu WebLogMi