California Digital
Library
Clustering :: American West Project
lExperimentation
—Enough metadata in
OAI records to get good results?
—Explore
process/workload
—Harvested approx.
360K records from AmWest-likely OAI sets
from partners and other data providers
—Did 7 topic model
runs on this prototype “collection”
•Used dc:title, dc:description, dc:subject only from
harvested records
l“For real” clustering
—Approx. 240K records
from AmWest partners only
—Did 4 topic model
runs using the same DC elements noted above