Aquifer Portal at U of Michigan

Kat Hagedorn and Perry WillettUniversity of MichiganDLF Spring Forum, Austin TXApril 11, 2006

Aquifer: Collections

• Subject matter: American Civil War and Lincoln• Metadata requirements: MODS profile• Currently only two institutions meet both requirements:

–Library of Congress–Indiana University

Aquifer: Harvester

• Built upon the experience with OAIster and IMLS grant

• Expanded to harvest MODS records

• Including thumbnails, “harvested” from UIUC

Aquifer: Portal (1)

• Developed from OAIster

• Improved interface

• More fields to search –Language (now human readable!) –Institution

Aquifer: Portal (2)

• Added “dataset” as resource type

• Developed SRU functionality

Aquifer: Portal

• <http://www.hti.umich.edu/a/aquifer>

Aquifer: Next steps

• Date normalization

• Subject classification / clustering