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Using Sakai to Support eScience
Sakai Conference June 12-14, 2007
Sayeed ChoudhuryTim DiLauro, Jim Martino, Elliot Metsger, Mark Patton and David Reynolds
Sheridan Libraries
Bob HanischSpace Telescope Institute
Alex Szalay and Ethan VishniacPhysics and Astronomy
Johns Hopkins University
A pilot project aimed at preserving, curating, and enabling access to digital data and associated electronic journals content.
The Virtual Observatory
• The Virtual Observatory enables new science by greatly enhancing access to data and computing resources. The VO makes it easy to locate, retrieve, and analyze data from archives and catalogs worldwide.
• The VO is about data discovery, access, and integration.
• The VO is NOT a huge centralized data repository.• The VO provides standard protocols for obtaining
data from distributed collections.• The VO is national (US NVO) and international
(IVOA).
The data preservation problem
• Research communities publish peer-reviewed journal papers that describe highly processed data.
• Long-term preservation and curation systems for digital journal content, including the digital data presented only graphically, are not currently in place.
• The research cannot be verified and the results cannot be easily compared to other data in order to broaden impact.
• Public funds invested in scientific research do not have maximum return on investment. Essential legacy datasets may be lost.
Approach
• Integrate digital data management into the publication process (data capture, review, metadata tagging and validation, storage).
• Exploit emerging information technology standards for managing distributed data collections, including digital journals.
• Provide multiple access methods to digital data to maximize visibility and re-use.
• Exploit information management and curation experience in the university libraries and build on long-term institutional commitments to preservation.
Data Storage Appliance• Metadata database• Digital data objects• Ancillary information
Data Storage Appliance• Metadata database• Digital data objects• Ancillary information
Data Storage Appliance• Metadata database• Digital data objects• Ancillary information
replication services VOSpace
Publication & Editorial Process• Data capture• Metadata capture & validation• Links• Identifiers
Data Access• VO portals• Journal portals• Other after-market distributors• Registry• Logging
Library• Curation• Preservation
Components
A prototype project
• Tasks– metadata definition*– content management tool evaluation/selection
(Fedora)*– physical storage and replication*– publication process revisions and testing– policy development– business model development
*Shared technology development/deployment with National Virtual Observatory
Scientific Data and Sakai
Scientific Data and Sakai
E-Publishing System
Scientific Data and Sakai
E-Publishing System
Repository
Scientific Data and Sakai
E-Publishing System
Collaboration Learning
Repository
Discovery through search, RSS, wikis…
Scientific Data and Sakai
E-Publishing System
Collaboration Learning
Repository
Discovery through search, RSS, wikis…
Acknowledgements
Contributors
• Michael Kurtz, Harvard-Smithsonian Center for Astrophysics• Kevin Marvel, Bob Milkey, American Astronomical Society• Ray Plante, NCSA, University of Illinois Urbana-Champaign• Andrew Lawrence
Funding
• Institute of Museum and Library Services• Microsoft Corporation• JISC (Project STORE)• Scholarly Publishing and Academic Resources Coalition• Teragrid