§Topics
(or “big buckets”)
–Do not hold everything
–Virtually constructed container
–Are not exclusive: data can cross topics
–Only curated selections: “featured resources”
–Selected representation of online holdings
§
§Collections
–Do hold everything: a place for everything, and everything
in ....
–Represent real-world objects
–User can scope search by collection
–Are exclusive (?)
–Comprehensive for online holdings