简介：Sequentialpatternminingisanimportantdataminingproblemwithbroadapplications.However,itisalsoachallengingproblemsincetheminingmayhavetogenerateorexamineacombinatoriallyexplosivenumberofintermediatesubsequences.Recentstudieshavedevelopedtwomajorclassesofsequentialpatternminingmethods:(1)acandidategeneration-and-testapproach,representedby(i)GSP,ahorizontalformat-basedsequentialpatternminingmethod,and(ii)SPADE,averticalformat-basedmethod;and(2)apattern-growthmethod,representedbyPrefixSpananditsfurtherextensions,suchasgSpanforminingstructuredpatterns.Inthisstudy,weperformasystematicintroductionandpresentationofthepattern-growthmethodologyandstudyitsprinciplesandextensions.Wefirstintroducetwointerestingpattern-growthalgorithms,FreeSpanandPrefixSpan,forefficientsequentialpatternmining.ThenweintroducegSpanforminingstructuredpatternsusingthesamemethodology.Theirrelativeperformanceinlargedatabasesispresentedandanalyzed.Severalextensionsofthesemethodsarealsodiscussedinthepaper,includingminingmulti-level,multi-dimensionalpatternsandminingconstraint-basedpatterns.

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简介：HuainanCoalMiningBureau,aspeciallargecoalenterpriseandastatekeycoalproductionbase,issituatedincentral-northpartofAnhuiProvince.Thearea,well-knownas"thecoalcapitalofEastChina",aboundsincoalresources,andtheprovencoalreserveisestimatedtobeupto70billiontonswithcompletevarietiesandsuperiorquality.Bytheyearof2010,theannualproductioncapacitywillreach30milliontons.Thereareexcellentinvestmentenvironmentandconvenientcommunicationandtransportation

简介：Withmassiveamountsofdatastoredindatabases,mininginformationandknowledgeindatabaseshasbecomeanimportantissueinrecentresearch.Researchersinmanydifferentfieldshaveshowngreatinterestindateminingandknowledgediscoveryindatabases.Severalemergingapplicationsininformationprovidingservices,suchasdatawarehousingandon-lineservicesovertheInternet,alsocallforvariousdataminingandknowledgediscoverytchniquestounderstandusedbehaviorbetter,toimprovetheserviceprovided,andtoincreasethebusinessopportunities.Inresponsetosuchademand,thisarticleistoprovideacomprehensivesurveyonthedataminingandknowledgediscorverytechniquesdevelopedrecently,andintroducesomerealapplicationsystemsaswell.Inconclusion,thisarticlealsolistssomeproblemsandchallengesforfurtherresearch.

简介：Landresourcesarefacingcrisesofbeingmisused,especiallyforanintersectionareabetweentownandcountry,andlandcontrolhastobeenforced.Thispaperpresentsadevelopmentofdataminingmethodforlandcontrol.Avector-matchmethodfortheprerequisiteofdataminingi.e.,datacleaningisproposed,whichdealswithbothcharacterandnumericdataviavectorizingcharacter-stringandmatchingnumber.Aminimaldecisionalgorithmofroughsetisusedtodiscovertheknowledgehiddeninthedatawarehouse.Inordertomonitorlandusedynamicallyandaccurately,itissuggestedtosetupareal-timelandcontrolsystembasedonGPS,digitalphotogrammetryandonlinedatamining.Finally,themeansisappliedintheintersectionareabetweentownandcountryofWuhancity,andasetofknowledgeaboutlandcontrolisdiscovered.

简介：Thispaperpresentsafault-detectionmethodbasedonthephasespacereconstructionanddataminingapproachesforthecomplexelectronicsystem.TheapproachforthephasespacereconstructionofchaotictimeseriesisacombinationalgorithmofmultipleautocorrelationandΓ-test,bywhichthequasi-optimalembeddingdimensionandtimedelaycanbeobtained.Thedataminingalgorithm,whichcalculatestheradiusofgyrationofunit-masspointaroundthecentreofmassinthephasespace,candistinguishthefaultparameterfromthechaotictimeseriesoutputbythetestedsystem.Theexperimentalresultsdepictthatthisfaultdetectionmethodcancorrectlydetectthefaultphenomenaofelectronicsystem.

简介：OutlierminingisanimportantaspectindataminingandtheoutlierminingbasedonCookdistanceismostcommonlyused.Butweknowthatwhenthedatahavemulticollinearity,thetraditionalCookmethodisnolongereffective.Consideringtheexcellenceoftheprincipalcomponentestimation,weuseittosubstitutetheleastsquaresestimation,andthengivetheCookdistancemeasurementbasedonprincipalcomponentestimation,whichcanbeusedinoutliermining.Atthesametime,wehavedonesomeresearchonrelatedtheoriesandapplicationproblems.

简介：Asemi-structureddocumenthasmorestructuredinformationcomparedtoanordinarydocument,andtherelationamongsemi-structureddocumentscanbefullyutilized.Inordertotakeadvantageofthestructureandlinkinformationinasemi-structureddocumentforbettermining,astructuredlinkvectormodel(SLVM)ispresentedinthispaper,whereavectorrepresentsadocument,andvectors'elementsaredeterminedbyterms,documentstructureandneighboringdocuments.TextminingbasedonSLVMisdescribedintheprocedureofK-meansforbriefnessandclarity:calculatingdocumentsimilarityandcalculatingclustercenter.TheclusteringbasedonSLVMperformssignificantlybetterthanthatbasedonaconventionalvectorspacemodelintheexperiments,anditsFvalueincreasesfrom0.65-0.73to0.82-0.86.

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简介：Inthispaper,ARMiner,adataminingtoolbasedonassociationrules,isintroduced.Beginningwiththesystemarchitecture,thecharacteristicsandfunctionsaredis-cussedindetails,includingdatatransfer,concepthierarchygeneralization,miningruleswithnegativeitemsandthere-developmentofthesystem.Anexampleofthetool'sapplicationisalsoshown.Finally,someissuesforfutureresearcharepresented.

简介：ThebackdoororinformationleakofWebserverscanbedetectedbyusingWebMiningtechniquesonsomeabnormalWeblogandWebapplicationlogdata.ThesecurityofWebserverscanbeenhancedandthedamageofillegalaccesscanbeavoided.Firstly,thesystemfordiscoveringthepatternsofinformationleakagesinCGIscriptsfromWeblogdatawasproposed.Secondly,thosepatternsforsystemadministratorstomodifytheircodesandenhancetheirWebsitesecuritywereprovided.Thefollowingaspectsweredescribed:oneistocombinewebapplicationlogwithweblogtoextractmoreinformation,sowebdataminingcouldbeusedtomineweblogfordiscoveringtheinformationthatfirewallandInformationDetectionSystemcannotfind.AnotherapproachistoproposeanoperationmoduleofwebsitetoenhanceWebsitesecurity.Inclusterserversession,Density-BasedClusteringtechniqueisusedtoreduceresourcecostandobtainbetterefficiency.

简介：Riversareoneofthemostessentialsourcesofsandandgravelsupplyforcivilworks.However,undesirableeffectsofirregularin-streammininghavebeenreportedonnaturalsources,environmentandinfrastructuresclosetorivers.Therefore,itisnecessarytofindtheeffectsofminingonriversinmoredetails.Thisresearchconcentratesonmining-pitmigrationphenomenonanditseffectsonthechannelbed.Thispaperreportsanexperimentalstudyonthemigrationofrectangularminingpitsandvariationoflongitudinalprofileinthechannelbedcomposedofratheruniformsediments.Differentvaluesofwidthsandlengthswereusedforpitwhilepitdepthsandflowvariableswerekeptconstant.Theresultsshowthatthemigrationspeedchangeswiththelength/widthratioofthepit.Themigrationspeedinconvectionperiodishigherthanthatindiffusionperiod.Inaddition,byincreasingthelengthorwidth,fillingrateofpitincreases,wheretheeffectofwidthismoreimportantthantheeffectofthelength.Alsoisreportedinthispaperafieldstudyonthechangesofthreepitsexcavatedatdifferentlocationsofariver.Somesimilaritiesbetweenthepitmigrationinthestraightreachoftheriverandthatoftheexperimentalworkisrealizedandpresented.

简介：工作流执行的有时历史性的信息被需要分析企业过程。进程采矿为在执行捕获企业进程从事件日志瞄准析取信息。在这篇论文，一个过程采矿算法被建议基于是工作流逻辑和工作流语义的一个基于同步的模型的onSynchro网。Withthis采矿算法在容易基于模型，象不可见的任务那样的问题和短环的罐头被处理。一个过程采矿例子被举说明算法，并且评估也被给。

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简介：WiththedeliveryofagreatdealremotesensingdatatolandfromLandsatconstantly,RemoteSensingSatelliteGroundStationaccumulatesabundantsatelliteremotesensingdata.Forlackofeffectivedatamining(DM)andknowledgeDiscoveryfromDatabases(KDDtechnique)tothesedata,mostpartoftheinformationcannotbeusedefficiently.TechnicalinnovationandimprovementofthetraditionalDMandKDD,studyofthedataminingandKDDwillbothincreasetheinterpretationlevelandintelligentized,andmoreoverexploreandutilizetheremotesensinginformationatthemaximumdegree.BasedonthetraditionaldataminingandKDD,theauthorsprobedthetechnicalflowofDMandKDDoftheremotesensing,designedthesystematicalframeworkofmulti-sourcesremotesensingDM,putforwardaprototypeEstablishedabaseforfurtherexploringandsystem.ofmulti-sourcesremotesensingDMsystem.developingmulti-sourcesremotesensingDMsystem.

简介：CitiesbasedonminingaredistinctivefromothercitiesinChina.Theirheavydependenceonminerals,arelativelyundiversifiedindustrialstructure,seriouslydamagedecologicalenvironmentandtheratherlowdegreeofopennesshaveallreducedtheircompetitiveness,andseverelyconstrainedandhinderedtheirsustainabledevelopment.Inthispapertheauthorswillstudymining-basedcitiesfromtheperspectiveofsustainabledevelopment,firstbyhavingacriticalreviewoftheirfeatures,andthenbyresearchingintostrategicoptionstosupporttheirsustainabledevelopment.

简介：Prosodiccontrolisanimportantpartofspeechsynthesissystem.Prosodicparameterschoicerightorwronginfluencesthequalityofsyntheticspeechdirectly.Atpresent,texttospeechsystemhaslesseffectivedescribetoreflectdatarelationshipsinthecorpus.Anewresearchapproach-dataminingtechnologytodiscoverthoserelationshipsbyassociationrulesmodelingispresented.Andanewalgorithmforgeneratingassociationrulesofprosodicparametersincludingpitchparametersanddurationparametersfromcorpusisdeveloped.Theoutputrulesimprovethecorrectnessofsyllablechoiceintexttospeechsystem.

简介：Expressedsequencetags(ESTs)arewidelyusedingenesurveyresearchtheseyears.TheESTPipelineSystem,softwaredevelopedbyHangzhouGenomicsInstitute(HGI),canautomaticallyanalyzedifferentscalarESTsequencesbysuitablemethods.Alltheanalysisreports,includingthoseofvectormasking,sequenceassembly,geneannotation,GeneOntologyclassification,andsomeotheranalyses,canbebrowsedandsearchedaswellasdownloadedintheExcelformatfromthewebinterface,savingresearcheffortsfromroutinedataprocessingforbiologicalrulesembeddedinthedata.

简介：ThereisabundanceofMercurymineresurcesintheFanjinshanMountain,Miningmercuryhasalonghistorythere,TheconcentrationofgeseousHgproducedinsmeltingHereaches20-50mg/m^3inthetailgas.Becausemercuryelementisaneasilytransferringmicroelement,thepapertalksabouttheeffectofmercuryinHgmininginGuizhouProvinceonalpinesoil,analysesHgcontentinalpinesoilat2000mofrelativeelevationintheHgminingarea,andexploresforcausesoftheHgpollution.

简介：Somefactorssuchascontinuouspricefallingofrareearthconcentrates,increaseinproductioncostandincreasinginvestmentinsafetyandenvironmentalprotectionpreventedthedevelopmentofminingindustry.Tosafeguardtheinterestsofminingcompaniesandfacilitatethehealthydevelopmentofrareearthindustry,REMiningSocietyofMianningCountyheldageneralmeetingrecently.FollowingresolutionswerepassedonJuly13th:1.SinceJuly14th2005,thelowestprotectivemarketpricesofrareear...