mapping the metadata registry environment

2009-07-24 Harper - Registry Community Workshop 1

Metadata Registries Survey

• Distributed Tuesday, July 14• Open until Midnight, July 31• 2 sets of questions

– Registry developers / admins– Registry users

• 5 sections of questions

2009-07-24 Harper - Registry Community Workshop 2

5/6 Sections of Questions

• General Intro (forked)• Registry Contents (forked)• Technical Details (forked)• Registry Policy (forked)• Dissemination (forked)• Inter-registry Interoperability

2009-07-24 Harper - Registry Community Workshop 3

Distribution Channels

• DCMI General List• DCMI Registries Task Group

Members• DCMI Registries Community List• code4lib listserv• Metadata Librarians listserv

2009-07-24 Harper - Registry Community Workshop 4

Distribution Channels (Cont)

• W3C's linked data list• NKOS List *• XMDR Working Group *• CENDI Image Metadata Task Group

** Courtesy of Gail Hodge

2009-07-24 Harper - Registry Community Workshop 5

Preliminary Results

• Very Preliminary• 15 Completed of 51 Partial Responses

– 24 Involved in Registry Admin– 27 Not Involved in Admin

• 50 % (6 of 12) reported registry contents over 1000 entries

2009-07-24 Harper - Registry Community Workshop 6

Represented Registries

• Oxford Vocabs and Taxonomies• DCMI's New Zealand Mirror• STScI (astronomy)• OCLC Terminology Services• 6 Others

2009-07-24 Harper - Registry Community Workshop 7

Other Institutions

• Library of Congress• Ex Libris• National Univ. of Ireland, Galway• Baylor Univ.• Approx. 12 Others

2009-07-24 Harper - Registry Community Workshop 8

Software Availability

• 1 Commercially Available Registry• 5 Open Source• 4 May be Released• 2 No Plans to release

2009-07-24 Harper - Registry Community Workshop 9

Registry Contents• Contents based on 7 responses

– 70% Contain Vocabs and Thesauri– 57% Contain Metadata Terms– 43% RDF Properties / Classes

• 5 of 12 Multilingual• Highest Demand from Users is for

Metadata Terms

2009-07-24 Harper - Registry Community Workshop 10

Missing Components

• Export vs Viewing Data• Harvest vs Manually Add Content• Content Negotiation• XML versus RDF• Linked Data• Version Control

2009-07-24 Harper - Registry Community Workshop 11

2009-07-24 Harper - Registry Community Workshop 12

2009-07-24 Harper - Registry Community Workshop 13

Interoperability Scenarios

1. Publish Change Sets via RSS2. Thin Registries by query or by

reference3. OAI Harvestable Content

2009-07-24 Harper - Registry Community Workshop 14

Summary

• Linked Data– HTTP URIs– Content Negotiation– Desirable to End-Users– 4 Registries indicate as a next step

• Publishing of Changesets as feeds

2009-07-24 Harper - Registry Community Workshop 15

Thanks!

corey.harper@nyu.edu212.998.2479

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