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ABSTRACT
A meeting in April 2015 explored the potential withdrawal of valuable collections of microfilm held by the University of Maryland, College Park Libraries. This resulted in a project to identify OCLC record numbers (OCN) for addition to OCLC's Chadwyck-Healey Early English Books Online (EEBO) KBART file.1 Initially, the project was an attempt to adapt cataloging workflows to a new environment in which the copy cataloging of e-resources takes place within discovery system tools rather than traditional cataloging utilities and MARC record set or individual record downloads into online catalogs. In the course of the project, it was discovered that the microfilm and e-version bibliographic records contained metadata which had not been utilized by OCLC to improve its link resolution and discovery services for digitized versions of the microfilm resources. This metadata may be advantageous to OCLC and to others in their work to transition from MARC to linked data on the Semantic Web. With MARC record field indexing and linked data implementations, this collection and others could better support scholarly research.
Collections, Discovery Tools, and Metadata Services
The University of Maryland, College Park Libraries' (the Libraries; UM Libraries) collections include 3.45 million print books and 1.2 million eBooks, 17,000 electronic journals, and 352 electronic databases.2 In late 2011, the Libraries implemented WorldCat Local, OCLC's singlesearch- box interface to the WorldCat database of cataloged resources and a central index of metadata provided by publishers, Abstracting and Indexing Services, institutional repositories, and so on. With WorldCat Local, and later, WorldCat Discovery, OCLC utilizes a knowledge base in managing e-resources discovery and access.3 Knowledge bases are "associated with link resolvers and electronic resource management systems" and "contain title-level metadata, linking syntax rules, publication ranges and other data."4 KBART files are so named to represent files compliant with the NISO recommended practice, "Knowledge Bases and Related Tools (KBART)."5 KBART files, created and supplied by content providers, are used to transmit this title level metadata to knowledge base vendors and discovery service providers.6 Since OCLC enhances these files with OCLC numbers (OCN) in order to provide automated holdings maintenance on WorldCat bibliographic records, the Libraries' Metadata Services Department (MSD) adopted a policy in 2012 to provide access to e-resources only via WorldCat when such files are available.
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