广告主设计和投放广告:广告生命周期开始广告主的目的获取目标用户,将ROI最大化系统将对广告进行学习训练,得到估计点击率(pCTR)广告通过pCTR、pCVR、CPC等feature计算出ecpm参与竞价广告展示在媒体(QQ/Qzone/微信)上,获用户点击,为广告主带流量用户在广告主网站的行为例如下单,也会回馈到系统当广告主引流达到预期,广告主会下线广告:广告生命周期结束和广告主相关的一些feature,对应的pCTR、pCVR会记录在系统,用于下一次广告优化
2024/5/29 14:52:34 1.26MB 计算广告
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Fusionofsyntheticapertureradar(SAR)andforwardlookinginfrared(FLIR)imagesisanimportantsubjectforaerospaceandsensorsurveillance.ThispaperpresentsaschemetoachieveanaturalcolorimagebasedonthecontoursfeatureofSARandthetargetregionfeatureofFLIRsothattheoverallscenerecognitionandsituationalawarenesscanbeimproved.TheSARandFLIRimagesarefirstdecomposedintosteerablepyramids,andthecontourmapsintheSARimageandtheregionmapsinthe
231KB 论文
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Thispracticalguideprovidesnearly200self-containedrecipestohelpyousolvemachinelearningchallengesyoumayencounterinyourdailywork.Ifyou’recomfortablewithPythonanditslibraries,includingpandasandscikit-learn,you’llbeabletoaddressspecificproblemssuchasloadingdata,handlingtextornumericaldata,modelselection,anddimensionalityreductionandmanyothertopics.Eachrecipeincludescodethatyoucancopyandpasteintoatoydatasettoensurethatitactuallyworks.Fromthere,youcaninsert,combine,oradaptthecodetohelpconstructyourapplication.Recipesalsoincludeadiscussionthatexplainsthesolutionandprovidesmeaningfulcontext.Thiscookbooktakesyoubeyondtheoryandconceptsbyprovidingthenutsandboltsyouneedtoconstructworkingmachinelearningapplications.You’llfindrecipesfor:Vectors,matrices,andarraysHandlingnumericalandcategoricaldata,text,images,anddatesandtimesDimensionalityreductionusingfeatureextractionorfeatureselectionModelevaluationandselectionLinearandlogicalregression,treesandforests,andk-nearestneighborsSupportvectormachines(SVM),naïveBayes,clustering,andneuralnetworksSavingandloadingtrainedmodels
2024/5/19 5:40:14 4.59MB Machine Lear Keras
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DatabaseSystemConcepts——数据库系统概念第六版(英文版)作者:AbrahamSilberschatz(YaleUniversity)HenryF.Korth(LehighUniversity)S.Sudarshan(IndianInstituteofTechnology,Bombay)本书目录:Chapter1Introduction1.1Database-SystemApplications11.2PurposeofDatabaseSystems31.3ViewofData61.4DatabaseLanguages91.5RelationalDatabases121.6DatabaseDesign151.7DataStorageandQuerying201.8TransactionManagement221.9DatabaseArchitecture231.10DataMiningandInformationRetrieval251.11SpecialtyDatabases261.12DatabaseUsersandAdministrators271.13HistoryofDatabaseSystems291.14Summary31Exercises33BibliographicalNotes35Chapter2IntroductiontotheRelationalModel2.1StructureofRelationalDatabases392.2DatabaseSchema422.3Keys452.4SchemaDiagrams462.5RelationalQueryLanguages472.6RelationalOperations482.7Summary52Exercises53BibliographicalNotes55Chapter3IntroductiontoSQL3.1OverviewoftheSQLQueryLanguage573.2SQLDataDefinition583.3BasicStructureofSQLQueries633.4AdditionalBasicOperations743.5SetOperations793.6NullValues833.7AggregateFunctions843.8NestedSubqueries903.9ModificationoftheDatabase983.10Summary104Exercises105BibliographicalNotes112Chapter4IntermediateSQL4.1JoinExpressions1134.2Views1204.3Transactions1274.4IntegrityConstraints1284.5SQLDataTypesandSchemas1364.6Authorization1434.7Summary150Exercises152BibliographicalNotes156Chapter5AdvancedSQL5.1AccessingSQLFromaProgrammingLanguage1575.2FunctionsandProcedures1735.3Triggers1805.4RecursiveQueries1875.5AdvancedAggregationFeatures1925.6OLAP1975.7Summary209Exercises211BibliographicalNotes216Chapter6FormalRelationalQueryLanguages6.1TheRelationalAlgebra2176.2TheTupleRelationalCalculus2396.3TheDomainRelationalCalculus2456.4Summary248Exercises249BibliographicalNotes254Chapter7Datab
2024/5/17 10:55:55 10.51MB Database Concepts PDF 英文版
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支持向量机源码,可在www.csie.ntu.edu.tw/~cjlin/libsvm/下载到最新版本,该版本是2013年4月更新的,3.17版。
压缩包里面有源代码和文档。
以下摘自前述网站:IntroductionLIBSVMisanintegratedsoftwareforsupportvectorclassification,(C-SVC,nu-SVC),regression(epsilon-SVR,nu-SVR)anddistributionestimation(one-classSVM).Itsupportsmulti-classclassification.Sinceversion2.8,itimplementsanSMO-typealgorithmproposedinthispaper:R.-E.Fan,P.-H.Chen,andC.-J.Lin.WorkingsetselectionusingsecondorderinformationfortrainingSVM.JournalofMachineLearningResearch6,1889-1918,2005.Youcanalsofindapseudocodethere.(howtociteLIBSVM)OurgoalistohelpusersfromotherfieldstoeasilyuseSVMasatool.LIBSVMprovidesasimpleinterfacewhereuserscaneasilylinkitwiththeirownprograms.MainfeaturesofLIBSVMincludeDifferentSVMformulationsEfficientmulti-classclassificationCrossvalidationformodelselectionProbabilityestimatesVariouskernels(includingprecomputedkernelmatrix)WeightedSVMforunbalanceddataBothC++andJavasourcesGUIdemonstratingSVMclassificationandregressionPython,R,MATLAB,Perl,Ruby,Weka,CommonLISP,CLISP,Haskell,OCaml,LabVIEW,andPHPinterfaces.C#.NETcodeandCUDAextensionisavailable.It'salsoincludedinsomedataminingenvironments:RapidMiner,PCP,andLIONsolver.Automaticmodelselectionwhichcangeneratecontourofcrossvaliationaccuracy.
2024/5/16 22:20:35 869KB 支持向量机 libsvm
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DavidJ.HandDepartmentofMathematics,ImperialCollegeLondon,London,UKDataminingisthediscoveryofinteresting,unexpectedorvaluablestructuresinlargedatasets.Assuch,ithastworatherdifferentaspects.Oneoftheseconcernslarge-scale,‘global’structures,andtheaimistomodeltheshapes,orfeaturesoftheshapes,ofdistributions.
2024/5/16 13:55:20 57KB 数据挖掘
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用于无声卡电脑-VirtualAudioCableAtfirst,pleaseunpackthedistributionpackageintoanemptyfolderonalocaldrive,makingsurethatlocalfolderpathdoesnotcontainspecialcharacterslike"#","&"orsimilar.Unpackingthepackage,preservefolderstructure(afterunpacking,destinationfoldershouldcontain"x86"and"x64"subfolders).IfyouarenewtoVirtualAudioCable,pleasereadtheusermanualbeforeinstallation.ThebestwaytoopenthemanualistoruninstallerapplicationnamedSetupandclickthe"Help"buttoninthefirstinstallationdialog.Theusermanualfile(vac.chm,afilenamed"vac"withasheetandquestionmarkicon)isanHTMLHelpformatfile.Donotopenmanualfilefromanetworkpathordirectlyfromthepackageotherwisehelppagesmaynotbedisplayedduetosecurityrestrictions.Copythefiletoalocaldrivebeforeopening.Pleasemakesurethatlocalfilepathdoesnotcontainspecialcharacters.Ifusermanualfileisopenedfromalocaldrivebutpagesontherightpanearenotdisplayedproperly,pleasecheckifvac.chmfilehasthe"Unblock"buttoninitsPropertiesform(right-clickthefiletoopenitsproperties).Ifyes,unblockit.Seealso"Howblockingsomeattachmentshelpsprotectyourcomputer"topicinWindowsHelp(Start-HelpandSupport)andhttp://support.microsoft.com/kb/902225.Readingthemanual,don'tforgetthatthereisthe"Search"tab.Havingaproblem,entersomewordsrelatedtotheproblemandappropriatepageswillbedisplayed.Ofcourse,searchfeaturewillnothelpifyouenteraquestionlike"howcanIuseit?".Itonlyfindspagescontaininggivenkeywords.
2024/5/12 21:39:33 533KB 虚拟声卡
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OverviewThisOPCUAreferenceimplementationistargetingthe.NETStandardLibrary..NetStandardallowsdevelopingappsthatrunonallcommonplatformsavailabletoday,includingLinux,iOS,Android(viaXamarin)andWindows7/8/8.1/10(includingembedded/IoTeditions)withoutrequiringplatform-specificmodifications.Furthermore,cloudapplicationsandservices(suchasASP.Net,DNX,AzureWebsites,AzureWebjobs,AzureNanoServerandAzureServiceFabric)arealsosupported.Featuresincluded1. FullyportedCoreUAstackandSDK(Client,Server,Configuration&Sampleassemblies)2. SampleServersandClients,includingallrequiredcontrols,for.Net4.6,.NetCoreandUWP.3. X.509certificatesupportforclientandserverauthentication4. Anonymous,username,X.509certificate(experimental)andJWT(experimental)userauthentication5. UA-TCP&HTTPStransports(clientandserver)6. Foldercertificate-storesupport7. Sessions(includingUIsupportinthesamples)8. Subscriptions(includingUIsupportinthesamples)GettingStartedAllthetoolsyouneedfor.NetStandardcomewiththe.NetCoretools.Seehereforwhatyouneed.HowtocreateselfsignedcertificatesforthesampleapplicationsOnWindows1. Openacommandpromptintherootfolderofyourrepository2. RunthescriptCreateAllCerts.cmdintherootfolderofyourrepositorytocreatethecertificatesforallsampleapplications.3. Alternatively,youcanrunthescriptCreateCert.cmdineachsampleprojectfoldertocreatenewselfsignedcertificatesfortheapplication.4. TheselfsignedcertificatesarestoredinOPCFoundation/CertificateStores/MachineDefaultineachapplicationprojectfolderOnLinux1. Openacommandprompt2. Navigatetotheprojectfolderofthesampleapp,e.g.SampleApplications/Samples/NetCoreConsoleClient3. Runthescript./createcert.shtocreatethecertificatesforthesampleapplications.4. TheselfsignedcertificatesarestoredinOPCFoundati
2024/5/10 14:27:21 6.71MB OPC UA 客户端 服务器
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AsuswrtisthenameofthecommonfirmwareAsushasdevelopedfortheirvariousroutermodels.OriginallyforkedfromTomato,ithassincegrownintoaverydifferentproduct,removingsomemoretechnicalfeaturesthatwerepartofTomato,butalsoaddingneworiginalfeaturessuchassupportfordualWANs.Asuswrt-merlinisacustomizedversionofAsus'sfirmware.ThegoalistoprovidebugfixesandminorenhancementstoAsus'sfirmware,withalsoafewoccasionalfeatureadditions.Thisisdonewhileretainingthelookandfeeloftheoriginalfirmware,andalsoensuringthatthetwocodebasesremaincloseenoughsoitwillremainpossibletokeepupwithanynewfeaturesbroughtbyAsusintheoriginalfirmware.Thisproject'sgoalisNOTtodevelopyetanotherfirmwarefilledwithmanyfeaturesthatarerarelyusedbyhomeusers-thatisalreadycoveredbyotherexcellentprojectssuchasTomatoorDD-WRT.Thismoreconservativeapproachwillalsohelpensuringthehighestlevelofstabilitypossible.Priorityisgiventostabilityoverperformance,andperformanceoverfeatures.
2024/5/6 13:08:37 17.56MB n16,梅林
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jigoo_464插件:(1)将下载下来的jigoo_464解压,会看到features和plugins,分别将这两个文件夹下的子文件夹拷贝到你eclipse包的features和plugins中,然后重启即可完成插件的安装,这是一种最为简单的插件安装方式,之后如果想要移除的话只需要将这两个文件卸载就可以了。
(2)第二种方式推荐使用,因为他可以避免对原有的Eclipse的目录造成破会,方便插件的移除。
这种方法也很好理解,只是用一个link文件将插件的路径包含在里面而不是像方法一那样直接拷贝进去。
2024/5/5 2:32:18 13.01MB jigloo插件
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在日常工作中,钉钉打卡成了我生活中不可或缺的一部分。然而,有时候这个看似简单的任务却给我带来了不少烦恼。 每天早晚,我总是得牢记打开钉钉应用,点击"工作台",再找到"考勤打卡"进行签到。有时候因为工作忙碌,会忘记打卡,导致考勤异常,影响当月的工作评价。而且,由于我使用的是苹果手机,有时候系统更新后,钉钉的某些功能会出现异常,使得打卡变得更加麻烦。 另外,我的家人使用的是安卓手机,他们也经常抱怨钉钉打卡的繁琐。尤其是对于那些不太熟悉手机操作的长辈来说,每次打卡都是一次挑战。他们总是担心自己会操作失误,导致打卡失败。 为了解决这些烦恼,我开始思考是否可以通过编写一个全自动化脚本来实现钉钉打卡。经过一段时间的摸索和学习,我终于成功编写出了一个适用于苹果和安卓系统的钉钉打卡脚本。
2024-04-09 15:03 15KB 钉钉 钉钉打卡