DC FieldValueLanguage
dc.contributor.authorKapidakis, Sarantos-
dc.date.accessioned2023-10-17T08:25:52Z-
dc.date.available2023-10-17T08:25:52Z-
dc.date.issued2018-
dc.identifierscopus-85053847936-
dc.identifier.isbn9783030000653-
dc.identifier.issn16113349-
dc.identifier.issn03029743-
dc.identifier.other85053847936-
dc.identifier.urihttps://uniwacris.uniwa.gr/handle/3000/472-
dc.description.abstractHarvesting tasks gather information to a central repository. We studied the metadata returned from 744179 harvesting tasks from 2120 harvesting services in 529 harvesting rounds during a period of two years. To achieve that, we initiated nearly 1,500,000 tasks, because a significant part of the Open Archive Initiative harvesting services never worked or have ceased working while many other services fail occasionally. We studied the synthesis (elements and verbosity of values) of the harvested metadata, and how it evolved over time. We found that most services utilize almost all Dublin Core elements, but there are services with minimal descriptions. Most services have very minimal updates and, overall, the harvested metadata is slowly improving over time with “description” and “relation” improving the most. Our results help us to better understand how and when the metadata are improved and have more realistic expectations about the quality of the metadata when we design harvesting or information systems that rely on them.en_US
dc.language.isoenen_US
dc.relation.ispartofDigital Libraries for Open Knowledgeen_US
dc.relation.ispartofseriesLecture Notes in Computer Scienceen_US
dc.subjectDublin core elementsen_US
dc.subjectEvolutionen_US
dc.subjectHarvestingen_US
dc.subjectMetadataen_US
dc.subjectOAI-PMHen_US
dc.subjectPatternsen_US
dc.subjectQualityen_US
dc.subjectReliabilityen_US
dc.titleMetadata synthesis and updates on collections harvested using the open archive initiative protocol for metadata harvestingen_US
dc.typeConference Paperen_US
dc.relation.conferenceInternational Conference on Theory and Practice of Digital Librariesen_US
dc.identifier.doi10.1007/978-3-030-00066-0_2en_US
dc.identifier.scopus2-s2.0-85053847936-
dc.relation.deptDepartment of Archival, Library and Information Studiesen_US
dc.relation.facultySchool of Administrative, Economics and Social Sciencesen_US
dc.relation.volume11057 LNCSen_US
dc.identifier.spage16en_US
dc.identifier.epage31en_US
dc.collaborationUniversity of West Attica (UNIWA)en_US
dc.subject.fieldSocial Sciencesen_US
dc.countryGreeceen_US
item.cerifentitytypePublications-
item.languageiso639-1en-
item.openairetypeConference Paper-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
item.grantfulltextnone-
crisitem.author.deptDepartment of Archival, Library and Information Studies-
crisitem.author.facultySchool of Administrative, Economics and Social Sciences-
crisitem.author.orcid0000-0002-8723-0276-
crisitem.author.parentorgSchool of Administrative, Economics and Social Sciences-
Appears in Collections:Book Chapter / Κεφάλαιο Βιβλίου
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