LargeIscaleIcitationImatchingusingIApacheIHadoop

MateuszCFedoryszak9C%ominikaCTkaczykCandCŁukaszCæolikowski

WhatCisCcitationCmatching[ WhatCisCHadoop[

WeCareCtheCpartCofCUoNnSysA

PairwiseCsimilarity

Results

PerformanceCtestsIntermezzoGCNuthorCindexing

Pawlak9CZdzisławCx"vbJZ2CSRoughCsetsS2CInternationalCJournalCofCParallelCProgrammingC""Cx4ZGC53"–54–2

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author other author other year other other

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DuringRcitationRmatchingRtheRlinksRfromRbibliographicRentriesRtoRreferencedRpublicationsRareRcreatedORSuchRlinksRareRindicatorsRofRtopicalRsimilarityRbetweenRlinkedRtextsARareRusedRinRassessingRtheRimpactRofRtheRreferencedRdocumentRandRimproveRnavigationRinRtheRuserRinterfacesRofRdigitalRlibrariesOR

FirstRofRallARmetadataRfieldsRareRextractedRfromRaRcitationRstringRinRaRprocessRcalledRcitationRparsing8RitRisRdoneRusingRCRF)basedRparserRsuppliedRwithRCERMINER)RaRmetadataRandRcontentRextractionRtoolRzTkaczykRetRalOARVWHVARDAS2O

OurRcitationRmatchingRalgorithmRisRimplementedRasRtheRpartRofRCoAnSysARanRopenRsourceRframeworkRforRminingRscientificRpublicationsORItRisRdevelopedRatRtheRCentreRforROpenRScienceRzCeON2RinRtheRInterdisciplinaryRCentreRforRMathematicalRandRComputationalRModellingRzICM2ARUniversityRofRWarsawO

ApacheRHadoopRisRanRopenRsourceRimplementationRofRMapReduceRparadigmARwhichRallowsRbigRdataRtoRbeRpartitionedRandRprocessedRinRsmallRportionsO

ThenARthoseRpiecesRofRinformationRareRusedRtoRassessRsimilarityRbetweenRtwoRcitationsRorRbetweenRaRcitationRandRdocumentRmetadataRbyRmeansRofRfuzzyRsimilarityRmetricsRwhichRareRcombinedRbyRSVMO

GivenRaRpairwiseRsimilaritiesARcitationsRareRclusteredRusingRaRsimpleRsingle)linkRalgorithmORWeRhaveRtestedRtheRclusteringRcorrectnessRonRCORA)refRdatasetRandRcomparedRtheRresultsRwithRthoseRachievedRbyRJointRMLNRmethodRzPoonRandRDomingosARVWW7ARAI2O

)RAuthor similarityR)RheaviestRmatchingRofRtokensARanRinstanceRofRassignmentRRRproblem)RJournal similarityR)RlongestRcommonRsubsequenceRofRcharacters)RTitle similarityR)RaRfractionRofRcommonRtrigramsRzcharacter)based2)RPages similarityR)RaRfractionRofRcommonRtokens)RYear equality

HadoopisedCcitationCmatching

ToRlimitRtheRnumberRofRpairwiseRcomparisonsARweRhaveRusedRaRheuristicRbasedRonRauthorRindexingORToRbeRlessRvulnerableRtoRspellingRerrorsRweRhaveRimplementedRanRindexRsupportingRretrievalRofRtokensRwithReditRdistanceRlessRthanRorRequalRHO

InsteadRofRputtingRasRaRkeyRanRexactRwordRwARweRputRallRtheRrotationsRofRw$RzwhereR$RisRaRcharacterRnotRpresentRinRanRalphabet2ORInRaRsimilarRmannerARtoRretrieveRaRwordRfromRtheRindexARweRcreateRallRitsRrotationsRandRforReachRrotationRrRofRlengthRnARallRtheRkeysRofRlengthR≤ nRthatRmatchRatRleastRn-1RfirstRlettersRofRrRandRkeysRofRlengthR≤ n+1RthatRmatchRfirstRnRlettersRareRreturnedO

NuthorCindexCbuilding

NctualCmatching

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%ocuments

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RotationsforCeachCtoken

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TokenCextraction

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ReferenceCstringextraction

HeuristicCmatchingSelectingtheCbestCmatching

StoringresolvedCreferences

%ocuments ReferencesReferencesCwithcandidateCdocuments

æestCmatchingCpairs

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References["]CI2CNewton9CPhilosophiæCnaturalis222[J]CN2CUopernicus9C%eCrevolutionibus222

ID Title Author

Uopernicus"3 %eCrevolutionibus222

ΕὐκλείδηςΣτοιχεῖα""

InterdisciplinaryCUentreCforCMathematicalCandCUomputationalCModelling9CUniversityCofCWarsaw

{m.fedoryszak, d.tkaczyk, l.bolikowski}@icm.edu.pl

WeRhaveRevaluatedRefficiencyRofRourRsolutionRusingRPMCROpenRAccessRSubsetRdocumentRsetORItRconsistsRofRoverRJLWRthousandRdocumentsRcontainingRHVRmillionRcitationsORTheRbenchmarkRwasRperformedRonRourRHadoopRclusterRwhichRconsistsRofRfourRʹfatʹRslaveRnodesAReachRcontainingRJqRCPURcoresO

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clusterCrecall

pairwiseCprecisionpairwiseCrecallpairwiseCF"

Nverage

PhaseTimeCspent

[hrsGminsGsecs]IndexCbuilding

MatchingUitationCextractionHeuristicCmatching

SelectingCtheCbestCmatch

TaskCNo2

Fold. Fold" FoldJ JointCMLN