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《A Controlled Crowdsourcing Approach for PracticalOntology Extensions and Metadata Annotations一种实用的受控众包方法 本体扩展与元数据注释》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、AControlledCrowdsourcingApproachforPracticalOntologyExtensionsandMetadataAnnotations1112YolandaGil,DanielGarijo,VarunRatnakar,DeborahKhider,23JulienEmile-Geay,NicholasMcKay1InformationSciencesInstitute,UniversityofSouthernCalifornia{gil,dgarijo,varunr}@isi
2、.edu2DepartmentofEarthSciences,UniversityofSouthernCalifornia{khider,julieneg}@usc.edu3SchoolofEarthSciencesandEnvironmentalSustainability,NorthArizonaUniversityNicholas.McKay@nau.eduAbstractTraditionalapproachestoontologydevelopmenthavealargelapsebetweent
3、hetimewhenauserusingtheontologyhasfoundaneedtoextenditandthetimewhenitdoesgetextended.Forscientists,thisdelaycanbeweeksormonthsandcanbeasignificantbarrierforadoption.Wepresentanewap-proachtoontologydevelopmentanddataannotationenablinguserstoaddnewmetadatap
4、ropertiesontheflyastheydescribetheirdatasets,creatingtermsthatcanbeimmediatelyadoptedbyothersandeventuallybecomestandardized.Thisapproachcombinesatraditional,consensus-basedapproachtoontologydevelopment,andacrowdsourcedapproachwhereexpertusers(thecrowd)can
5、dynamicallyaddtermsasneededtosupporttheirwork.Wehaveimplementedthisapproachasasocio-technicalsystemthatincludes:1)acrowdsourcingplat-formtosupportmetadataannotationandadditionofnewterms,2)arangeofsocialeditorialprocessestomakestandardizationdecisionsfortho
6、senewterms,and3)aframeworkforontologyrevisionandupdatestothemetadatacreatedwiththepreviousversionoftheontology.Wepresentaprototypeim-plementationforthepaleoclimatecommunity,theLinkedEarthFramework,currentlycontaining700datasetsandengagingover50activecontri
7、butors.Us-ersexploittheplatformtodosciencewhileextendingthemetadatavocabulary,therebyproducingusefulandpracticalmetadata.Keywords:Metadata,crowdsourcing,semanticwiki,collaborativeontologyengineering,semanticscience,incrementalvocabularydevelopment.1Introdu
8、ctionExistingframeworksforcollaborativeontologydevelopmentassumeaclearlyphasedseparationbetweenontologycreation,releaseoftheontology,anduseoftheontology[12,8,25].Theseframeworksdonotfitmanyareasofscience,nota
