A real-valued preference a user has for an item.
Snapshot of the ratings data for building a recommender.
Proxy DAO for user ‘rating vectors’, which are mappings of items to user preference.
Rating vector DAO that counts entities appearing for a user.
An in-memory snapshot of rating data stored in packed arrays.
Build a packed rating matrix from the available rating events.
An object describing the domain of preference data, used in ratings and predictions.
A user rating an item.
An entry in a
Utilities for working with ratings.
A summary of the ratings data.
Default builder for rating summaries.
Rating vector source that extracts user ratings from the database.
Qualifier for the type of entities that are counted to compute user preferences.
Ratings data type.
This package contains LensKit’s core
Rating event type, as well as additional classes for working with rating data (and pseudo-ratings derived from other user activity).