Semantometrics in Coauthorship Networks: Fulltext-based Approach for Analysing Patterns of Research...
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Transcript of Semantometrics in Coauthorship Networks: Fulltext-based Approach for Analysing Patterns of Research...
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Semantometrics:Fulltext-basedmeasuresforanalysingresearchcollabora<on
DrahomiraHerrmannova(@damirah)KMi,TheOpenUniversity
&PetrKnoth(@petrknoth)
MendeleyLtd.
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Introduc<on• Uptodatemanystudiesofscien<ficcita<on,collabora<onandcoauthorshipnetworkshavefocusedontheconceptofcross-community-es.
• WeexplorehowSemantometricscanhelpinunderstandingthenatureofthecross-community<esandincharacterisingthetypesofresearchcollabora<oninscholarlypublica<onnetworks.
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Semantometrics• Asetofmetricsforevalua<ngresearchwhichbuildonthepremisethatfulltextisneededtounderstandthevalueofpublica<ons
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Cross-community<es• Linksbetweencommuni<es
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Cross-community<es• Theimportanceofcross-community<es– Incita<onnetworks,cross-communitycita<onpaYernsarecharacteris<cforhighimpactpapers[Shi.etal.,2010]
– Sameholdstrueincaseofcross-communityscien<ficcollabora<on[Newman,2004;LambioYeandPanzarasa,2009]
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Howtoiden<fycross-community<es?• Fromcita<on/coauthorshipnetwork– E.g.betweenesscentrality
• Fromfulltext– Seman<csimilarity
• Differenttypesofcollabora<onwhenwri<ngapaper– Emergingvs.established– Interdisciplinaryvs.intradisciplinary– Etc.
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Emergingvs.establishedresearchcollabora<on• Endogamy– Insocialsciences:theprac<ceortendencyofmarryingwithinasocialgroup
– Inresearch:collabora<onwithinagroupofauthors– Higherendogamy=morefrequentcollabora<on
endo A d Aa A d a
endo p x L p endo xL p
p Publica<on
A Setofauthors
d(A) PaperscoauthoredbyauthorsinA
L(p) Setofallsubsetswithatleasttwoauthorsofp
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Interdisciplinaryvs.intradisciplinaryresearchcollabora<on• Seman<cdistanceofpublica<onauthors– Higherauthordistanceindicatesmoredistantcommuni<es
– Authorpublica<onrecordconsideredasasingletext
a dist pA p A p
dist a , aa A p ,a A p ,a a
p Publica<on
A(p) Setofauthorsofp
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Typesofcollabora<onwhenwri<ngapaper
Highendogamy Lowendogamy
Highauthordistance
Establishedinterdisciplinarycollabora<on
Emerginginterdisciplinarycollabora<on
Lowauthordistance Expertgroup Emergingexpert
collabora<on
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Experiment• Whatisthedistribu<onofthefourdifferenttypesofcollabora<oninscholarlyliterature?
• CORE(core.ac.uk)usedasadataset– Cross-discipline– Enablessamplingbyauthorsandins<tu<ons– Selectedsample
• FulltextdocumentsfromOpenResearchOnlinerepository(ORO)• Allotherfulltextpublica<onsoftheauthorsfromOROfoundinCORE
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Datasetsta<s<cs
Fulltextar<clesfromORO 4,207Numberofauthors 8,473Averagenumberofpublica<onsperauthor 7.61Maxnumberofpublica<onsperauthor 310Averagenumberofauthorsperpublica<on 4.31Maxnumberofauthorsperpublica<on 25Averagenumberofreceivedcita<ons 0.30Averagenumberofcollaborators 80.23Totalnumberofpublica<ons 30,484
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Endogamyandauthordistancedistribu<on
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Endogamyandauthordistancevs.numberofauthors
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Rela<onbetweenauthordistanceandendogamy
Establishedinterdisciplinarycollabora<on
Expertgroup
Emerginginterdisciplinarycollabora<on
Emergingexpertcollabora<on
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Typesofresearchcollabora<on
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Typesofresearchcollabora<onand“impact”
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Conclusions• Fulltextnecessary• Semantometricsareanewclassofmethods• Weshowedonemethodtorecognisetypesofscholarlycollabora<on
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References• XiaolinShi,JureLeskovec,andDanielAMcfarland(2010)Ci0ngforHighImpact
• M.E.J.Newman(2004)Coauthorshipnetworksandpa:ernsofscien0ficcollabora0on
• R.LambioYeandP.Panzarasa(2009)Communi0es,knowledgecrea0on,andinforma0ondiffusion