Cluster-based management of collections of items

Details Cluster-based management of collections of items Cluster-based management of collections of items

2007-03-30

2010-06-22

Ali, Mohammad (Department: 2158)

Data processing: database and file management or data structures

Database and file access

Preparing data for information retrieval

C707S751000, C705S027200

Reexamination Certificate

active

07743059

ABSTRACT:
Computer-implemented processes are disclosed for clustering items and improving the utility of item recommendations. One process involves applying a clustering algorithm to a user's collection of items. Information about the resulting clusters is then used to select items to use as recommendation sources. Another process involves displaying the clusters of items to the user via a collection management interface that enables the user to attach cluster-level metadata, such as by rating or tagging entire clusters of items. The resulting metadata may be used to improve the recommendations generated by a recommendation engine. Another process involves forming clusters of items in which a user has indicated a lack of interest, and using these clusters to filter the output of a recommendation engine. Yet another process involves applying a clustering algorithm to the output of a recommendation engine to arrange the recommended items into cluster-based categories for presentation to the user.

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