Metadata for Special Collections in CONTENTdm: How to Improve Interoperability of Unique Fields Through OAI-PMH
Author(s)
Han, Myung-Ja K.
Cho, Christine
Cole, Timothy W.
Jackson, Amy S.
Issue Date
2009-12
Keyword(s)
Dublin Core
CONTENTdm
OAI-PMH
Interoperability of metadata
Metadata Mapping
Abstract
Collection curators develop locally defined unique fields to support local requirements. As per the guidelines of the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), Simple Dublin Core is the minimum requirement for exposing metadata to aggregators. Oftentimes the level of specificity of unique local fields is not
translated well to Dublin Core, which may hinder the interoperability of the item metadata record. This paper researched 21 digital collections that were hosted in CONTENTdm. The objective was to explore the use and issues of unique fields in local context and recommend best practices that will increase the interoperability of metadata for special collections.
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