Technical standards for electronic bibliographic data/metadata
Subset of the Cataloguer's Toolbox. URNs, SICI, DOI, Z39.50, TEI, RDF, and Dublin Core.

Advanced Meta Data Architecture
David Marco. Architectural challenges that arise with implementing a meta data repository that requires more advanced functionality.

Metadata.Net Home Page
Resources from the Distributed Systems Technology Center (DSTC).

UKOLN Metadata
Resources from the UK Office for Library and Information Networking

Metadata at W3C
Metadata research at the World Wide Web Consortium.

Metadata : Why should we care?
By Kathleen Forsythe and Diana Brooking. University of Washington.

Metadata: Cataloging by Any Other Name
Jessica Milstead and Susan Feldman, ONLINE.

What is Metadata?
Alexandria Digital Library

Metadata Architecture and Application Team (MAAT)
Includes MAAT news, introduction, activities, and metadata resources.

The MetaWeb Project
The aim of the Metadata Tools and Services project - known as MetaWeb - is to develop indexing services, user tools, and metadata element sets in order to promote the use of, and exploitation of metadata on the Internet.

University of Queensland: An Introduction to Metadata
Detailed explanation of metadata, schema and elements, in a FAQ format. Includes related links.

Resource Guide to Metadata
Reference to metadata standards for scientific, research, and education information. Site describes ontologies for science.

EuroCRIS CERIF Task Group
Task Group maintaining and developing Common European Research Information Format Metadata and database format. First published and supported by European Commission for research and scientific data sharing and exchange.

Metadata projects, resources, workshops
European Commission: Telematics for Libraries.

Object Reference System Group
Specification group to reference images, documents and multimedia files and to build common standard XML search queries. Includes a discussion group.

MetaMap
An annotated Scalable Vector Graphic showing metadata standards, sets, and initiatives.

SMBmeta
Designed to help small- and medium-sized businesses provide information to search engines and directories in an open and distributed way. Includes documentation and source code.

XML: Metadata For the Rest of Us.
By Jeffery Veen. Wired Magazine. Includes an interview with Tim Bray.

A Web Hub for Developing Administrative Metadata for Electronic Resource Management
News, links to documents and projects, and a mailing list.

Index Data
Specializes in the design and development of advanced software for information management and retrieval applications. Uses Z39.50, Dublin Core and XML.

Metadata Gateway
Introduces basic Metadata concepts, major metadata standards or schemas, the relationship between new access mechanisms for digital library and traditional cataloguing methods, systems, software and tools for metadata creation, harvest and migration.

Recordkeeping Metadata Standard for Commonwealth Agencies
This standard describes the metadata that the National Archives of Australia recommends should be captured in the recordkeeping systems used by Commonwealth government agencies. The text of the standard is available in html, pdf, and downloadable as a zip file.

Digital Libraries: Metadata Resources
IFLA collection of Internet metadata resources.

Metacrap
Cory Doctorow's seven arguments against metadata.

CanCore
Official home for documents, presentations and other resources related to the Canadian Core Learning Object Metadata Application Profile. The CanCore Profile is intended to facilitate the interchange of records describing educational resources and the discovery of these resources both in Canada and beyond its borders.

XML & Metadata Developer Central
Netscape

Meta Matters
An excellent overview and guide to metadata (particularly Dublin Core) from the National Library of Australia.

FASTER
Describes a metadata project focused on creating an easy-to-use and flexible tool for access to official and other statistical data.

Metadata Standards and Information Analysis
Surveys several metadata standards with the assumption that surveying the models that can serve as a basis for the metadata standards.

The Publishing Requirements for Industry Standard Metadata (PRISM) Specification
Defines an XML metadata vocabulary for managing, aggregating, post-processing, multi-purposing and aggregating magazine and mainstream journal content. PRISM is defined by a working group of IDEAlliance, a publishing industry association.

Agricultural Metadata Element Set Project
The AgMES project promotes the use of metadata in description of all document-like information objects in the domain of agriculture. It is an extension of the Dublin Core element set.

SSD (Simple Storefront Distribution)
A web content distribution method used by E-Commerce websites to share catalog data in a format easily interpreted by computer software. SSD is an XML 1.0 based markup language modeled after the RSS 2.0 specification.

IWBase
This is an interconnected network of distributed repositories of proof and explanation meta information.

WebMonkey: Metadata, Mark II
Jason Cook's article about some independent technologies such as GeoURL, SMBmeta, Dublin Core, RDF, and FOAF.

National Curriculum Metadata Standard
Description and documentation of the metadata standard for the National Curriculum for England.

EServer TC Library: Metadata
A collection of more than 65 rated, reviewed online resources in metadata cataloguing.

Public Broadcasting Metadata Dictionary (PBCore)
Designed to provide for television, radio and Web activities a standard way of describing and using data. This allows content to be more easily retrieved and shared.