期刊
INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS
卷 37, 期 2, 页码 1618-1645出版社
WILEY-HINDAWI
DOI: 10.1002/int.22688
关键词
bacterial foraging optimization; hybrid recommendation algorithm; multicriteria recommendation system; multiobjective optimization
资金
- National Natural Science Foundation of China [71901150, 71901152, 71971143]
- Major Research plan for National Natural Science Foundation of China [91846301]
- Major Project for National Natural Science Foundation of China [71790615]
- Natural Science Foundation of Guangdong Province [2020A1515010752, 2020A1515010749]
- Shenzhen Higher Education Institute Support Plan [20200826144104001]
This paper proposes a multicriteria recommendation model that can optimize the recommendation accuracy, diversity, novelty, and individual tendency simultaneously. Through a new optimization method, the algorithm outperforms other recommendation algorithms in most cases, demonstrating its superiority in recommendation accuracy and diversity.
Recommender systems assist users to make decisions among a huge volume of options. Accuracy-oriented recommender systems focus on the prediction power of algorithms and neglect that users may appreciate diverse and novel recommendations in real-world scenarios. Thus, this paper proposed a multicriteria recommendation model that can optimize the recommendation accuracy, diversity, novelty, and individual tendency simultaneously. Additionally, a new multiobjective bacterial foraging optimization method is proposed to improve its searching capability and the performance of recommendation model. The proposed optimization-based multicriteria recommendation algorithm is compared with existing methods on both benchmark functions and real-world data sets. The results demonstrate that the proposed algorithm is superior to other recommendation algorithms in most cases. This study provides insights in recommendation system design and draws scholarly attention to the optimization-based recommendation strategy.
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