Zhang Wei, Huang Jian-hua, Liu Dong-ning, et al. An Improved Recommendation Method Using Rating and Review Information[J]. 2017, 34(6): 27-31.DOI: 10.12052/gdutxb.170014.
An Improved Recommendation Method Using Rating and Review Information
With the Internet technology and modern E-commerce becoming popular
the recommender system has been widely used
but two problems of most recommendation algorithms still remain
i.e. cold start and explanatory problem. Based on the HFT (Hidden Factors and Hidden Topics) model which combines the review and rating information
an improved HFT model is proposed. By adding the free vector in order to capture the review information not discussed in the HFT model
the two problems can be released and the model accuracy improved. At last
the two large datasets shows that the proposed model is better than the HFT model in accuracy
which can largely benefit the use of review information.
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references
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