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Shotaro Akaho

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Publications by Shotaro Akaho (bibliography)

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2010
 
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Kamishima, Toshihiro and Akaho, Shotaro (2010): Nantonac collaborative filtering: a model-based approach. In: Proceedings of the 2010 ACM Conference on Recommender Systems 2010. pp. 273-276.

A recommender system has to collect users' preference data. To collect such data, rating or scoring methods that use rating scales, such as good-fair-poor or a five-point-scale, have been employed. We replaced such collection methods with a ranking method, in which objects are sorted according to the degree of a user's preference. We developed a technique to convert the rankings to scores based on order statistics theory. This technique successfully improved the accuracy of ranking recommended items. However, we targeted only memory-based recommendation algorithms. To test whether or not the use of ranking methods and our conversion technique are effective for wide variety of recommenders, we apply our conversion technique to model-based algorithms.

© All rights reserved Kamishima and Akaho and/or ACM Press

2007
 
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Gczy, Peter, Izumi, Noriaki, Akaho, Shotaro and Hasida, Kiti (2007): Complex User Behavioral Networks at Enterprise Information Systems. In: Cordeiro, Jos and Filipe, Joaquim (eds.) ICEIS 2008 - Proceedings of the Tenth International Conference on Enterprise Information Systems Volume HCI June 12-16, 2007, Barcelona, Spain. pp. 233-239.

 
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Changes to this page (author)

05 Apr 2012: Modified
25 Aug 2009: Added

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URL: http://www.interaction-design.org/references/authors/shotaro_akaho.html
Jul 14

If you do good work for good clients, it will lead to other good work for other good clients. If you do bad work for bad clients, it will lead to other bad work for other bad clients

-- Michael Bierut

 
 

Featured chapter

Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess

User Experience and Experience Design !

 
 

Our Latest Books

Kumar and Herger 2013: Gamification at Work: Designing Engaging Business Software...
by Janaki Mythily Kumar and Mario Herger

 
Start reading

Whitworth and Ahmad 2013: The Social Design of Technical Systems: Building technologies for communities...
by Brian Whitworth and Adnan Ahmad

 
Start reading

Soegaard and Dam 2013: The Encyclopedia of Human-Computer Interaction, 2nd Ed....
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

Help us help you!