@article{ author = {Shakeri, Hassan, Sheibani, Samaneh, Sheybani, Reza}, title = {Improving Precision of Recommender Systems using Time-, Location- and Context-aware Trust Estimation Based on Clustering and Beta Distribution}, journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran}, year = {2023}, volume = {21}, number = {1}, pages = {58-66}, doi = {} }