RDAP14: Data discovery and access through metadata brokering
1. Data Discovery and Access
through Metadata Brokering
Lynn Yarmey
lynn.yarmey@colorado.edu
2. Why are we here?
Yarmey – RDAP
2014
Image from: http://nyulocal.com/on-campus/2010/11/17/understanding-your-obligatory-existential-crisis/
3. Yarmey – RDAP
2014
Image by Carla Lombardo Ehrlich for WWF, A Polar Bear clinging precariously to a tiny piece of floating ice.
Accessed at: http://pixdaus.com/a-polar-bear-clinging-precariously-to-a-tiny-piece-of-floati/items/view/522249/
9. Arctic Data Explorer – Ideal
EOL Field
Catalogs
Met.no
ACADIS
Gateway
NSIDC
Coming
Soon
GICat Metadata Broker
SOLR
Other interfaces or
services
THREDDS
OAI-PMH
OAI-PMH
OpenSearch
OAI-PMH
CSW-ISO
Metadata
translators
Query
handling
Web
Services
Web portal
Metadata
Feed
Repositories
NODC
Yarmey – RDAP
2014
10. This is really hard
- Federated
- Non-hierarchical
- Diverse
- Inclusive
- Distributed
- Coordinated
- Collaborative
- Flexible
- Sustainable
Characteristics
Challenges
Constant change
Natural language handling, scientific semantics
Inconsistent implementation
of standards
Political change
How do you search 16000 records
and get something scientifically useful?
Yarmey – RDAP
2014
Communicating search to users
Scheduling
11. So now what?
• Keep our eyes on the prize
• We need to talk to each other
• Data are not easy
• Even discovery
• Data might well not be cheap
• Metadata Metadata Metadata Metadata Metadata
Yarmey – RDAP
2014
Metadata.
13. References
Parsons, M. A. (2006). International Polar Year Data
Management Workshop, 3-4 March 2006. Glaciological
Data Series, GD-33.
Yarmey, L., and Baker K.S. (2009). LTER: A Web of
Repositories. LTER All Scientists Meeting, Estes Park,
CO.
Yarmey – RDAP
2014