%0 Journal Article %K Collaborative Filtering %K Recommendation Systems %K Social %K Systematic Review %K Trust %B International Journal of Interactive Multimedia and Artificial Intelligence %D 2022 %N Regular Issue %P 7-17 %R 10.9781/ijimai.2021.12.004 %T Social Relations and Methods in Recommender Systems: A Systematic Review %U https://www.ijimai.org/journal/sites/default/files/2022-05/ijimai_7_4_1.pdf %V 7 %8 06/2022