博文
(2005-01-31 09:58:07)
<Towardsaunifyingframeworkforcomplexqueryprocessingoverstructuredpeer-to-peerdatanetwork>ForaresourceR(a1,a2,...,ak)withkattributes,storeinDHT.FirstthekeyofthetupleR:(a1,a2,...,ak)isinserted,thenthekeyofitskattributevaluesininserted.totally(k+1)copies.[阅读全文]
(2005-01-25 20:13:38)
<Super-peerbasedroutingandclusteringstategiesforRDfbasedpeer-to-peernetworks>RDF-based(schemabased)Hierarchy:peersconnectwithsuperpeers,Super-peersformthebackbonewiththeHyperCuPtopology,whichenableefficientbroadcast.Andsuper-peerusebroadcasttheHyperCuptomaintainthetopology(orsaymembership)androutqueries.Everysuper-peermaintainsaSP-P(super-peer,peer)andSP-SPindex.Theindexisasummaryofthemetada...[阅读全文]
(2005-01-25 17:30:13)
1.Gridresourcediscovery.Relativelynew.CanborrowP2P’sidea.TheimportantthingistoknowthespecialneedofGridandthecharacteristicsofGridresource.Howtheyarerepresented,what’sthecandidateresourcesofgridresources?MayrefertoGLOBUS,orrecentpapersaboutGridresourcediscovery.Tofindit’sspecialcharacter,thenworkasaspecialcaseforP2Papplications.2.P2Presourcediscovery/contentlocation/informationretrieval/search/r...[阅读全文]
(2005-01-23 12:46:22)
Section3.3
PointersWehavealreadyseenhowvariablesarememorycellsthatwecanaccessbyanidentifier.Butthesevariablesarestoredinconcreteplacesofthecomputermemory.Forourprograms,thecomputermemoryisonlyasuccessionof1bytecells(theminimumsizeforadatum),eachonewithauniqueaddress.Agoodsimileforthecomputermemorycanbeastreetinacity.Onastreetallhousesareconsecutivelynumberedwithanuniqueidentifiersoifwetalkabou...[阅读全文]
(2005-01-21 15:49:14)
P2Pgroupgame.Multiplepplcreateavirtualenviroment.Thereisamap,pplmovefromoneplacetoantherplace.Wheneveraplayermovetoanewplace,itneedtoknowtheotherplayersthere,jointheirsession.Sohowtoknowthat?First,hedividethemapintocells(6edges)andwhennodemoveheknowswhichcellitbelongsto.ItusethecellidasakeyandhashtoanodewithDHTsuchasPastry.Thenitcontactthatnode.Thatnodetellsthisnodewhoisthemasterofthiscell.andthen...[阅读全文]
(2005-01-20 15:53:24)
TechnicalResourceandCourseWebSiteforWirelessCommunicationsandNetworks
http://williamstallings.com/Wireless1e.html
EECE569MobileCommunicationsNetworks
http://www.ece.ubc.ca/~elec569/[阅读全文]
(2005-01-20 13:27:13)
1.Gridresourcediscovery.Relativelynew.CanborrowP2P’sidea.TheimportantthingistoknowthespecialneedofGridandthecharacteristicsofGridresource.Howtheyarerepresented,what’sthecandidateresourcesofgridresources?MayrefertoGLOBUS,orrecentpapersaboutGridresourcediscovery.Tofindit’sspecialcharacter,thenworkasaspecialcaseforP2Papplications.2.P2Presourcediscovery/contentlocation/informationretrieval/search/r...[阅读全文]
(2005-01-19 22:29:49)
<PlanetP:usinggossipingtobuildcontentAddressablepeer-to-perinformationsharingcommunities>ReplicateaBloomFiltersummaryoftheentireindexateverypeerusinggossiping.TheindexcontainsthenamesandaddressesofallcurrentmembersandBloomfilterssummarizesthesetoftermscontainedinthedocumentsbeingsharedbythatmember.Gossipingalgorithm:anodexlearnsachange,everyTsecondxrandomlychooseatargetpeerytotellyofthechang...[阅读全文]
(2005-01-18 18:39:38)
Indexpartitionstructures:
(localindex)partition-by-document:documentbased:eachhostmaintainsalocalinvertedindexofthedocumentsitisresponsiblefor.Querymustbefloodedtoallpeers.e.g.Gnutella.
(globleindex)partition-by-keyword:assignsearchkeywordtoasinglenode,eachnodemaintainstheinvertedlistsofsomekeywords.ak-keywordsqueryhavetobecheckedktimesandgettheintersection.Hybrid:distributemetadatabasedon...[阅读全文]
(2005-01-18 16:49:12)
UsingthesemanitcvectorgeneratedbyLSIofadocumentasthekeytostorethedocumentindexintheCAN.Adocument'ssemanticsisgeneratedbyLSI(Latentsemanticindexing),eachdocumentispositionedasapintintheCattesianspace.Deocumentcloseinthesemanticspacehavesimilarcontents.Tofinddocumentsrelevanttoaquery,onlyneedtocomparethequeryagainstdocumentswithasmallregionceteredattheauery.QuryisroutedbyCANtonodesemanticclosetotheq...[阅读全文]
