Effective hybrid recommendation combining users-searches correlations using tensors

Authors:
Rakesh Rawat;Richi Nayak;Yuefeng Li
Affiliations:
Faculty of Science and Technology, Queensland University of University, Brisbane Australia;Faculty of Science and Technology, Queensland University of University, Brisbane Australia;Faculty of Science and Technology, Queensland University of University, Brisbane Australia
Venue:
APWeb'11 Proceedings of the 13th Asia-Pacific web conference on Web technologies and applications
Year:
2011

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Abstract

Most recommendation methods employ item-item similarity measures or use ratings data to generate recommendations. These methods use traditional two dimensional models to find inter relationships between alike users and products. This paper proposes a novel recommendation method using the multi-dimensional model, tensor, to group similar users based on common search behaviour, and then finding associations within such groups for making effective inter group recommendations. Web log data is multi-dimensional data. Unlike vector based methods, tensors have the ability to highly correlate and find latent relationships between such similar instances, consisting of users and searches. Non redundant rules from such associations of user-searches are then used for making recommendations to the users.