A survey was conducted of metadata registry developers and users from July to August 2009. Preliminary results were from 35 completed responses and 12 represented registry administrators. The survey addressed general information, registry contents, technical details, policies, and interoperability. Most registries contained controlled vocabularies and metadata terms, though few supported features like exporting data, harvesting content, or linked data. Next steps identified were improving interoperability through publishing registry changes as RSS feeds and enabling content negotiation and linked data in more registries. Further analysis of the survey responses was suggested.

1. 2010-10-20Harper - Registry Community Meeting - DC20101
Metadata Registries
Survey
• Distributed Tuesday, July 14, 2009
• Open until Midnight, July 31, 2009
• 2 sets of questions
– Registry developers / admins
– Registry users
• 5 sections of questions

2. 2010-10-20Harper - Registry Community Meeting - DC20102
5/6 Sections of Questions
• General Intro (forked)
• Registry Contents (forked)
• Technical Details (forked)
• Registry Policy (forked)
• Dissemination (forked)
• Inter-registry Interoperability

3. 2010-10-20Harper - Registry Community Meeting - DC20103
Distribution Channels
• DCMI General List
• DCMI Registries Task Group
Members
• DCMI Registries Community List
• code4lib listserv
• Metadata Librarians listserv

4. 2010-10-20Harper - Registry Community Meeting - DC20104
Distribution Channels (Cont)
• W3C's linked data list
• NKOS List *
• XMDR Working Group *
• CENDI Image Metadata Task
Group *
* Courtesy of Gail Hodge

5. 2010-10-20Harper - Registry Community Meeting - DC20105
Preliminary Results
• 35 Completed of 100 Partial
Responses
–12 Involved in Registry Admin
–23 Not Involved in Admin
• 41 % (5 of 12) reported registry
contents over 1000 entries

6. 2010-10-20Harper - Registry Community Meeting - DC20106
Represented Registries
• Oxford Vocabs and Taxonomies
• DCMI's New Zealand Mirror
• STScI (astronomy)
• OCLC Terminology Services
• 6 Others

7. 2010-10-20Harper - Registry Community Meeting - DC20107
Other Institutions
• Library of Congress
• Ex Libris
• National Univ. of Ireland, Galway
• Baylor Univ.
• Approx. 12 Others

8. 2010-10-20Harper - Registry Community Meeting - DC20108
Software Availability
• 2 Commercially Available Registry
• 4 Open Source
• 4 May be Released
• 2 No Plans to release

9. 2010-10-20Harper - Registry Community Meeting - DC20109
Registry Contents
• Contents based on 12 responses
– 83% Contain Controlled Vocabs
– 66% Contain Metadata Terms
– 50% RDF Properties / Classes
• 7 of 12 Multilingual
• Highest Demand from Users (90%)
is for Metadata Terms

10. 2010-10-20Harper - Registry Community Meeting - DC201010
Missing Components
• Export vs Viewing Data
• Harvest vs Manually Add Content
• Content Negotiation
• XML versus RDF
• Linked Data
• Version Control

11. 2010-10-20Harper - Registry Community Meeting - DC201011

12. 2010-10-20Harper - Registry Community Meeting - DC201012

13. 2010-10-20Harper - Registry Community Meeting - DC201013
Interoperability
Scenarios
1. Publish Change Sets via RSS
2. Thin Registries by query or by
reference
3. OAI Harvestable Content

14. 2010-10-20Harper - Registry Community Meeting - DC201014
Summary
• Linked Data
– HTTP URIs
– Content Negotiation
– Desirable to End-Users
– 4 Registries indicate as a next step
• Publishing of Changesets as feeds

15. 2010-10-20Harper - Registry Community Meeting - DC201015
Further Analysis
• Cross-tabulation of non-owner
results for app developers vs non
• Analysis of incomplete results
• Follow-up questions to
respondents?
• Analysis of Policy and
Dissemination Questions

16. 2010-10-20Harper - Registry Community Meeting - DC201016
Thanks!
corey.harper@nyu.edu
212.998.2479