Thalveg Data Flow LLC

Net Perceptions, Inc.

John Rauser

Valerie Guralnik

Joseph A Konstan

Paul Bieganski

Dan Frankowski

A system and method for applying a first filter and a second filter, such as a recommendation and a constraint filter, to a plurality of items, including determining a cost of applying the first filter and the second filter to the plurality of items, and determining an order of applying the first and second filters based on the cost of applying the first and second filters.

System and method for efficiently providing a recommendation

Methods, systems, and articles of manufacture consistent with the present invention provide a recommendation server that receives a recommendation request from a user of a client computer. The recommendation server contains software to provide recommendations to the user. To provide the recommendations, the recommendation server applies a constraint filter and a recommendation filter on a set of items.

Optimized rule based constraints for collaborative filtering systems

A recommendation process includes the consideration of the compatibility of the items being recommended. An electronic processing system for generating a compatibility-aware recommendation output set to a is user based, at least in part, on a set of item compatibility rules. The system includes a processing system of one or more processors configured to receive applicable data, including i) user preference data, and ii) item compatibility rules, and to produce a compatibility-aware recommendation output set using the user preference data and the item compatibility rules. A method and computer-readable storage device containing the method are also presented.

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Minneapolis, MN, United States of America

John Rauser