There are a large number of metadata standards and initiatives that have relevance to digital preservation, e.g. those designed to support the work of national and research libraries, archives and digitization initiatives. This paper introduces some of these, noting that the developers of some have acknowledged the importance of maintaining or re-using existing metadata. It is argued here that the implementation of metadata registries as part of a digital preservation system may assist repositories in enabling the management and re-use of this metadata and may also help interoperability, namely the exchange of metadata and information packages between repositories.
Publisher
2003 Dublin Core Conference: Supporting Communities of Discourse and Practice-Metadata Research & Applications
Publication Location
Seatle, WA
Critical Arguements
CA "This paper will introduce a range of preservation metadata initiatives including the influential Open Archival Information System (OAIS) reference model and a number of other initiatives originating from national and research libraries, digitization projects and the archives community. It will then comment on the need for interoperability between these specifications and propose that the implementation of metadata registries as part of a digital preservation system may help repositories manage diverse metadata and facilitate the exchange of metadata or information packages between repositories."
Conclusions
RQ "The plethora of metadata standards and formats that have been developed to support the management and preservation of digital objects leaves us with several questions about interoperability. For example, will repositories be able to cope with the wide range of standards and formats that exist? Will they be able to transfer metadata or information packages containing metadata to other repositories? Will they be able to make use of the 'recombinant potential' of existing metadata?" ... "A great deal of work needs to be done before this registry-based approach can be proved to be useful. While it would undoubtedly be useful to have registries of the main metadata standards developed to support preservation, it is less clear how mapping-based conversions between them would work in practice. Metadata specifications are based on a range of different models and conversions often lead to data loss. Also, much more consideration needs to be given to the practical issues of implementation." 
SOW
DC Michael Day is a research officer at UKOLN, which is based at the University of Bath. He belongs to UKOLN's research and development team, and works primarily on projects concerning metadata, interoperability and digital preservation. 
Type
Journal
Title
Challenges for service providers when importing metadata in digital libraries
CA Problems in implementing metadata for online resource discovery, in this case for digital libraries, will not be solved simply by adopting a common schema. Intellectual property rights remain another major obstacle to be dealt with.
Phrases
RQ Under what circumstances can metadata be altered? How should the copyright information of a resource be distinguished from the copyright information of its metadata? Will an audit trail be used as metadata shared with other repositories?
CA Metadata is a key part of the information infrastructure necessary to organize and classify the massive amount of information on the Web. Metadata, just like the resources they describe, will range in quality and be organized around different principles. Modularity is critical to allow metadata schema designers to base their new creations on established schemas, thereby benefiting from best practices rather than reinventing elements each time. Extensibility and cost-effectiveness are also important factors. Controlled vocabularies provide greater precision and access. Multilingualism (translating specification documents into many languages) is an important step in fostering global metadata architecture(s).
Phrases
<P1> The use of controlled vocabularies is another important approach to refinement that improves the precision for descriptions and leverages the substantial intellectual investment made by many domains to improve subject access. (p.4) <P2> Standards typically deal with these issues through the complementary processes of internalization and localization: the former process relates to the creation of "neutral" standards, whereas the latter refers to the adaptation of such a neutral standard to a local context. (p.4)
Conclusions
RQ In order for the full potential of resource discovery that the Web could offer to be realized, a"convergence" of standards and semantics must occur.
CA In March 2003, the intention of undertaking an international survey of LOM implementations was announced at the plenary meeting of the "Information Technology for Learning, Education and Training", ISO/IEC JTC1/SC36 sub-committee. The ISO/IEC JTC1/SC36 committee is international in both membership and emphasis, and has a working group, Working Group (WG) 4, "Management and Delivery for Learning, Education, and Training," which has been explicitly charged with the task of contributing to future standardization work on the LOM. <warrant> The international LOM Survey focuses on two questions: 1) "Which elements were selected for use or population?"; and 2) "How were these elements used, or what where the types of values assigned to them?" This report also attempts to draw a number of tentative suggestions and conclusions for further standardization work
Conclusions
RQ Based on its findings, the preliminary survey report was able to suggest a number of conclusions: First, fewer and better-defined elements may be more effective than the range of choice and interpretive possibilities currently allowed by the LOM. This seems to be especially the case regarding educational elements, which are surprisingly underutilized for metadata that it ostensibly and primarily educational. Second, clear and easily-supported means of working with local, customized vocabularies would also be very valuable. Third, it also seems useful to ensure that structures are provided to accommodate complex but more conventional aspects of resource description. These would include multiple title versions, as well as multilingual descriptions and values.
SOW
DC On June 12, 2002, 1484.12.1 - 2002 Learning Object Metadata (LOM) was approved by the IEEE-Standards Association.
This document is a revision and expansion of "Metadata Made Simpler: A guide for libraries," published by NISO Press in 2001.
Publisher
NISO Press
Critical Arguements
CA An overview of what metadata is and does, aimed at librarians and other information professionals. Describes various metadata schemas. Concludes with a bibliography and glossary.
