Abstract
Bipartite graph-based recommendation is a key topic in the field of recommender systems. Using logistic regression, a new recommendation algorithm based on a bipartite graph is proposed. First, the weights of the bipartite graph and the similarity of users are defined. Then, a recommendation list based on the bipartite graph is generated. Next, items in the recommendation list are re-sorted using the classification results of logistic regression. Furthermore, a balance factor is proposed to measure the accuracy and diversity of a recommender system comprehensively. Experimental results show that the recommendation results of the proposed algorithm are good.
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Acknowledgments
This work was partially supported by the Great Wall Scholar Program (CIT&TCD20190305), High Innovation Program of Beijing (2015000026833ZK04), and Beijing Urban Governance Research Center.
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Song, W., Shao, P., Liu, P. (2019). Hybrid Recommendation Algorithm Based on Weighted Bipartite Graph and Logistic Regression. In: Knight, K., Zhang, C., Holmes, G., Zhang, ML. (eds) Artificial Intelligence. ICAI 2019. Communications in Computer and Information Science, vol 1001. Springer, Singapore. https://doi.org/10.1007/978-981-32-9298-7_13
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DOI: https://doi.org/10.1007/978-981-32-9298-7_13
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