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An Artificial Immune System Based Recommender

Cayzer, Steve; Aickelin, Uwe


Steve Cayzer

Uwe Aickelin


The immune system is a complex biological system with a highly distributed, adaptive and self-organising nature. This paper presents an artificial immune system (AIS) that exploits some of these characteristics and is applied to the task of film recommendation by collaborative filtering (CF). Natural evolution and in particular the immune system have not been designed for classical optimisation. However, for this problem, we are not interested in finding a single optimum. Rather we intend to identify a sub-set of good matches on which recommendations can be based. It is our hypothesis that an AIS built on two central aspects of the biological immune system will be an ideal candidate to achieve this: Antigen - antibody interaction for matching and antibody - antibody interaction for diversity. Computational results are presented in support of this conjecture and compared to those found by other CF techniques. Notes: Uwe Aickelin, University of the West of England, Coldharbour Lane, Bristol, BS16 1QY, UK


Cayzer, S., & Aickelin, U. An Artificial Immune System Based Recommender

Journal Article Type Article
Deposit Date Oct 30, 2007
Journal Research Report HPL-2002-1, HP Labs, Bristol
Peer Reviewed Peer Reviewed
Public URL


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