Datamanagementsystemsforlargeapplicationsseekinfrastructuralsupport fromdatabasesystemsanddistributedcomputingsystems. Thesesystems- provewiththechangingrequirementsofapplications. Newresearche?ortsare beingmadetosupportelectroniccommerce(EC)applications,andvoluminous datahandlingapplications. Atthesametime,supporttechniquesarebeingst- iedindataminingandknowledgediscovery,object-relationaldatabasemana- mentsystems,andmobilecomputingsystems. Theinternationalworkshopon DatabasesinNetworkedInformationSystems(DNIS)2000hasbeenorganized toemphasizetheresearchactivityonsupportsystems. DNIS2000isbeingheldon4-6December2000attheUniversityofAizuin Japan. Theworkshopprogramincludesresearchcontributionsandinvitedc- tributions. Aviewofresearchactivityinevolvingdatamanagementsystemsand relatedresearchissueshasbeenprovidedbythesessiononthistopic. Theinvited contributionshavebeencontributedbyDr. QimingChen,Dr. UmeshwarDayal, andDr. MeichunHsu,andbyMasaruKitsuregawa,TakahikoShintani,Takeshi Yoshizawa,andIkoPramudiono. Theworkshopsessionondatabasesystems- cludescontributedpapersbyDr. JayantR. HaritsaandbyProfessorDivyakant AgrawalandDr. AmrElAbbadi. Thesessiononnetworkedinformationsystems includestheinvitedcontributionbyProfessorKrithiRamamritham,Pavan- olasee,AmolKatkar,AnkurPanchbudhe,andPrashantShenoy. Iwouldliketothankthemembersoftheprogramcommitteefortheirs- portandallauthorswhoconsideredDNIS2000inmakingresearchcontributions. Thesponsoringorganizationsandtheorganizingcommitteedeservepraise forthesupporttheyprovided. Anumberofindividualshavecontributedtothe successoftheworkshop. IthankProfessorP. C. P. Bhatt,ProfessorJ. Biskup, Dr. CarlW. Vilbrand,andProfessorM. Kitsuregawa,forprovidingcontinuous supportandencouragement. IhavereceivedinvaluablesupportfromtheUniversityofAizu. 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 WebLogMiningandParallelSQLBasedExecution...20 MasaruKitsuregawa,TakahikoShintani,TakeshiYoshizawa, IkoPramudiono DataProviders-ALanguageExperiment...33 JohnL. Pfaltz JAVAWrappersforAutomatedInteroperability...45 NgomCheng,ValdisBerzins,Luqi,SwapanBhattacharya IssuesinSecuringGISData...65 PramodChandraP. Bhatt SemanticCon?ictsandSolutionsinFuzzyMultidatabaseSystems...80 ZongminM. Ma,WenjunJ. Zhang,WeiyinY. Ma DatabaseSystems:StorageandRetrieval TheWebIstheDatabase...91 JayantR. Haritsa ViewMaintenanceandAnalyticalProcessingatDataWarehouses...107 DivyakantAgrawal,AmrElAbbadi ADesignofParallelR-treeonClusterofWorkstations...119 ShuhuaLai,FenghuaZhu,YongqiangSun GraphicalInterfaceforDesignofGeometricDataStructures...134 TakashiHibi,AlexanderPasko Similarity-BasedQueriesforInformationRetrieval...148 AnaIsabelAguilera,AlbertoRafaelSubero,LeonidJos'eTineo K-DIME:AnAdaptiveSystemtoRetrieveImagesfromtheWEB UsingSubjectiveCriteria...1 57 NadiaBianchi-Berthouze,ToshikazuKato VIII TableofContents NetworkedInformationSystems:Implementation DisseminationofDynamicDataontheInternet...173 KrithiRamamritham,PavanDeolasee,AmolKatkar, AnkurPanchbudhe,PrashantShenoy InformationRetrievalMethod forFrequentlyUpdatedInformationSystem...188 NobuyoshiSato,TakashiYamamoto,YoshihiroNishida, MinoruUehara,HidekiMori BlockingReductioninTwo-PhaseCommitProtocol withMultipleBackupSites...200 P. KrishnaReddy,MasaruKitsuregawa Inter-agentCooperationSupportedbyXMLandCORBA inHeterogeneousInformationSystems...216 NacereddineZarour,MahmoudBoufaida,LionelSeinturier, PascalEstraillier SimulationStudyonLoadBalancedMultipleHomeAgents forMobileIPNetworks...228 AdrianVasilache,JieLi,HisaoKameda AuthorIndex...247 OLAP-Based Data Mining for Business Intelligence Applications in Telecommunications and E-commerce Qiming Chen, Umeshwar Dayal, and Meichun Hsu Hewlett-Packard Laboratories 1501 Page Mill Road, Palo Alto, CA 94304, USA {qchen,dayal,mhsu}@hpl. hp.