|ItemEventCollection<E extends Event>||
A collection of events associated with an item.
|UserHistory<E extends Event>||
Represents a user profile, associating an immutable list of events with a user.
Summarize user histories as real-valued vectors.
|AbstractUserHistory<E extends Event>||
An abstract implementation of
|BasicItemEventList<E extends Event>||
List-backed item event collection.
|BasicUserHistory<E extends Event>||
Basic user rating profile backed by a collection of ratings.
Summarize a history by counting all events referencing an item.
Utility methods for user histories.
Summarize a history by counting likes (both batched and unbatched).
Summarize a history by extracting a rating vector.