对等知识管理（p2p+knowledge+management）.ppt

Peer-to-peerKnowledgeManagementProposetheideaofP2PknowledgemanagementWhatdoesP2Pmean?Howcanpeer-to-peerhelpKM?DiscussproblemswithP2PKMFree-workNov14,20011DeLiu,CRECWhatdoesPeer-to-Peermean?(Napster;)distributedresourcesand/orpeer-to-munication(groove;ICQ)puting(******@home)plextasksNov14,20012DeLiu,--,20013DeLiu,-to-dateQualityofServiceSearchEfficiencyFree-Ride!Nearly70%ofGnutellauserssharenofiles,nearly50%ofallresponsesarereturnedbythetop1%ofsharinghosts.….(AdarandHuberman2000,FreeRidingonGuttela)Nov14,20014DeLiu,CRECWhyweproposeP2PKMP2PtechnologyfitwellwithKMobjectivesUnlock“anizationknowledgeEnhanceinteractionsthrough“push”&“pull”munitiesContributetopropagationoftacitknowledgeToleratefuzzyknowledgeanddifferentpointsofviewWeexpectfree-:flexible,robust,secure,costefficiency(?)Nov14,20015DeLiu,CRECSowhatisP2PKM?ponents:ponentexplicitknowledgetransferNotificationofupdateandnewrelease(“push”)AccesscontrolContent-ponentimplicitknowledgetransferMultiplechannels(text,multi-media)Real-timecollaborationandnon-realtimecollaborationP2PKMandcentralizedeffortofknowledgemanagementNov14,20016DeLiu,CRECPotentialproblemsofP2PKMQualityofknowledgeLackofconsistencyFree-’srationalforself-interestagentstoconsumepublicgoodwithoutcontributing(freeride).-,20