A guided tour to approximate string matching
ACM Computing Surveys (CSUR)
Data integration: the teenage years
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
Duplicate Record Detection: A Survey
IEEE Transactions on Knowledge and Data Engineering
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Open access OA is a way of providing unrestricted access via the Internet to peer-reviewed journal articles as well as theses, monographs and book chapters. Many open access repositories have been created in the last decade. There is also a number of registry websites that index these repositories. This article analyzes the repositories indexed by the Open Archives Initiative OAI organization in terms of record duplication. Based on the sample of 958 metadata files containing records modified in 2012 we provide an estimate on the number of duplicates in the entire collection of repositories indexed by OAI. In addition, this work describes several open source tools that form a generic workflow suitable for deduplication of bibliographic records.