简介:<正>In2001,ShanxiProvincecarriedoutapiloteffortofcollectivenaturalforestfamilytrusteeshipinMaxiandShangaoofXinyuanCounty,theworkgotalongsmoothly,andtheruralhouseholdsshowedenthusiasmofmanagementandcreatedmanysuccessfulexperiences.Thecoreofthetrusteeshipare:(i)theexperienceofruralresponsibilitysystemisusedforreference,theownershipinthecollectiveforestmanagementwasstabilizedandthemanagementrightwassetfree,withforestmanagementcontractasbasicmode,theownershipandmanagementrightofexistingforestresourcebe
简介:ThisistheEnglishseriesof"NumericalMathematics,AJournalofChineseUniversities".Thisseriesispublishedsemi-annuallyinMayandNovemberissuesbytheEditorialCommitteeoftheJournal"NumericalMathematics".ItscontentsareindependentofthoseoftheChineseseriesoftheJournal,whichwasfoundedin1979.
简介:Informationfiltering(IF)systemsareimportantforpersonalizedinformationservice.However,mostcurrentIFsystemssufferfromlowqualityandlongtrainingtime.Inthispaper,arefinedevolvinginformationfilteringmethodispresented.Thismethoddescribesuser'sinformationneedfrommulti-aspectsandimprovesfilteringqualitythroughaprocesslikenaturalselection.Experimentalresultshowsthismethodcanshortentrainingtime,improvefilteringquality,andreducetherelevancebetweenfilteringresultsandtrainingsequence.
简介:TheJournalofControlTheoryandApplications(JCTA)publisheshigh-qualitypapersonthetheory,design,andapplicationsinthesystemsandcontrolfield.Thisjournalispublishedquarterly.Threetypesofcontributionsareregularlyconsidered:
简介:ChineseJournalofPopulationResourcesandEnvironment,PrintISSN1004-2857,OnlineISSN2325-4262,Volume13,2015.ChineseJournalofPopulationResourcesandEnvironment(www.tandfonline.com/tpre)isapeer-reviewedjournalpublishedinMarch,June,September,andDecemberbyTaylor&Francis,4ParkSquare,MiltonPark,Abingdon,Oxon,OX144RN,UK.