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TEI (Text Encoding Initiative)
The Text Encoding Initiative (TEI) is an international project
to develop guidelines for the preparation and interchange of electronic
texts for scholarly research, and to satisfy a broad range of uses
by the language industries more generally. The TEI is sponsored
by the Association for Computers and the Humanities (ACH), the Association
for Computational Linguistics (ACL), and the Association for Literary
and Linguistic Computing (ALLC). Major support for the project has
come from the U.S. National Endowment for the Humanities (NEH),
Directorate XIII of the Commission of the European Communities (CEC/DG-XIII),
the Andrew W. Mellon Foundation, and the Social Science and Humanities
Research Council of Canada.
http://www-tei.uic.edu/orgs/tei/
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Encoded Archival Description
Official Web Site
Descriptions and Internet links to implementors of the Encoded
Archival Description (EAD) Document Type Definition (DTD), a use
of Standard Generalized Markup Language (SGML) for archival finding
aids. Manteined by the Library of Congress.
http://www.loc.gov/ead/eadsites.html
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Z39.50
This page provides links to information about Z39.50 resources and
about the development and maintenance of Z39.50 (existing as well
as future versions) and the implementation and use of the Z39.50
protocol. Z39.50" refers to the International Standard, ISO
23950: "Information Retrieval (Z39.50): Application Service Definition
and Protocol Specification", and to ANSI/NISO Z39.50. The Library
of Congress is the Maintenance Agency and Registration Authority
for both standards, which are technically identical (though with
minor editorial differences).
The standard specifies a client/server-based protocol for searching
and retrieving information from remote databases.
http://lcweb.loc.gov/z3950/agency
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MARC DTD:
The primary purpose of the MARC DTD project was to create standard
SGML Document Type Definitions to support the conversion of cataloging
data from the MARC data structure to SGML (and back) without loss
of data.The MARC data structure is also an international standard
(ISO 2709),approved decades ago. Although both ISO 2709 and ISO
8879 provide standardized techniques for encoding data, the relationships
between the two could be established in different ways unless a
standard MARC DTD (or set of DTDs) was developed. The driving force
behind this project was the desiref or a standardized non-proprietary
conversion by machine between MARC encoded data and SGML. The project
included two major tasks: 1) the development of the SGML DTDs corresponding
to the five USMARC formats, and 2) the development of software utilities
based capable of converting between the two encoding standards.
Because of its existing involvement in MARC and SGML-related activities,
not to mention its role as the maintenance agency for the USMARC
formats, the NetworkDevelopment and MARC Standards Office at the
Library of Congress agreed to assume the task of developing the
MARC DTDs and the conversion utilities. Work began in December 1995
on the development of the MARC DTDs needed. Simultaneously, resources
were requested to contract out the development of the conversion
utilities. The project was opened for input from any interested
MARC and/or SGML users.
http://lcweb.loc.gov/marc/marcdtd/marcdtdback.html
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