Context-Similarity Collaborative Filtering Recommendation. Huynh, H. X., Phan, N. Q., Pham, N. M., Pham, V. H., Hoang Son, L., Abdel-Basset, M., & Ismail, M. IEEE Access, 8:33342–33351, 2020.
doi  abstract   bibtex   
This article proposes a new method to overcome the sparse data problem of the collaborative filtering models (CF models) by considering the homologous relationship between users or items calculated on contextual attributes when we build the CF models. In the traditional CF models, the results are built only based on data from the user's ratings for items. The results of the proposed models are calculated on two factors: (1) the similar factors based on rating values; (2) the similar factors based on contextual attributes. The findings from the experimentation on two datasets DePaulMovie and InCarMusic, show that the proposed models have higher accuracy than the traditional CF models.
@article{8998219,
	title = {Context-{Similarity} {Collaborative} {Filtering} {Recommendation}},
	volume = {8},
	issn = {21693536},
	doi = {10.1109/ACCESS.2020.2973755},
	abstract = {This article proposes a new method to overcome the sparse data problem of the collaborative filtering models (CF models) by considering the homologous relationship between users or items calculated on contextual attributes when we build the CF models. In the traditional CF models, the results are built only based on data from the user's ratings for items. The results of the proposed models are calculated on two factors: (1) the similar factors based on rating values; (2) the similar factors based on contextual attributes. The findings from the experimentation on two datasets DePaulMovie and InCarMusic, show that the proposed models have higher accuracy than the traditional CF models.},
	journal = {IEEE Access},
	author = {Huynh, Hiep Xuan and Phan, Nghia Quoc and Pham, Nghi Mong and Pham, Van Huy and Hoang Son, Le and Abdel-Basset, Mohamed and Ismail, Mahmoud},
	year = {2020},
	keywords = {CIBCF models, CUBCF models, context-similarity matrix, contextual attributes},
	pages = {33342--33351},
}

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