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• W4304587251 abstract "With the accelerated trend of globalization and modernization, many provincial intangible cultural heritages (PICH) are in danger of being lost. In the context of Internet technology, the use of digital multimedia for personalized recommendation is an effective way to promote the transmission of intangible cultural heritage. However, traditional recommendation systems tend to treat different members as homogeneous objects, ignoring the relationship between members’ professional backgrounds and the inherent properties of items, and cannot truly solve the problem of conflicting preferences in the integration process. In view of this, this paper proposes a group recommendation system based on nonnegative matrix decomposition. First, the group rating information is decomposed into a user matrix and item matrix by nonnegative matrix decomposition. Then, the item affiliation matrix and member expertise matrix are calculated by using the affiliation and expertise weights for the two matrices, respectively, and the contribution degree of each member to different item ratings is obtained from them. Finally, the group preference model is constructed by weighted fusion of members’ preferences based on their contribution degrees, and different recommendation lists are generated for different user preferences. The experimental results prove that this system has high recommendation accuracy in cross-regional promotion of PICH." @default.
• W4304587251 created "2022-10-12" @default.
• W4304587251 creator A5015928358 @default.
• W4304587251 date "2022-10-11" @default.
• W4304587251 modified "2023-09-30" @default.
• W4304587251 title "The Application of Personalized Recommendation System in the Cross-Regional Promotion of Provincial Intangible Cultural Heritage" @default.
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• W4304587251 doi "https://doi.org/10.1155/2022/5811341" @default.
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