ICOLC Fall 2006 (8th European Meeting)
ICOLC Fall 2006 (8th European Meeting)
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Bruce Heterick

An Overview of the PORTICO Archiving Service

Bruce Heterick
JSTOR

     Full text: PPT
     Last modified: October 16, 2006

Abstract
Anticipating the need for robust preservation of electronic journals, in 2002, JSTOR launched a project which has now become Portico. Portico is a new, not-for-profit electronic archiving service established in order to address the scholarly community's critical and urgent need for a robust, reliable means to preserve electronic scholarly journals. Portico builds upon and advances JSTOR's efforts to provide a trusted and reliable community-based archive, and Portico works with JSTOR to expand significantly the preservation infrastructure developed on behalf of the scholarly community. JSTOR has provided initial support for Portico's development together with Ithaka, The Andrew W. Mellon Foundation and the Library of Congress. Portico's mission is to preserve scholarly literature published in electronic form and to ensure that these materials remain accessible to future scholars, researchers, and students.
The Portico archive, which is a centralized repository, is open to a scholarly publisher's complete list of journals, including those titles which may be published in electronic format only, or print and electronic formats, or which may have been 'reborn' or digitized from print. Portico is focused on preserving the intellectual content of the electronic scholarly journal; we do not attempt to recreate or preserve for the long term the exact look and feel of the journal or the publisher's Web site or delivery platform.
Portico's archival approach for electronic journals is managed preservation focused on the publishers' e-journal source files. Source files are the electronic files containing graphics, text, or other material that comprise an electronic journal article, issue, or volume. Source files may differ from files presented online most typically by including additional information such as richer mark-up or higher- quality graphics. Portico receives source files directly from the scholarly publishers who have agreed to contribute content to the Portico archiving service. Portico subjects the publishers' source files to a systematic normalization process that migrates the content from the publishers' proprietary data structure to an archival format based upon the NLM Archive and Interchange DTD. Both the source file and the normalized files are retained in the archive, and Portico takes responsibility for the long-term preservation and management of the archived materials.

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