The Road to Enlightenment
https://www.sciencedirect.com/science/article/pii/S0167923615000627
https://www.springer.com/gp/book/9780387858203
https://www.sciencedirect.com/science/article/pii/S0167923615000627
https://www.springer.com/gp/book/9780387858203
http://www.recommenderbook.net/teaching-material/slides
http://recommenderbook.net/teaching-material
https://link.springer.com/referenceworkentry/10.1007%2F978-0-387-30164-8_705
https://www.microsoft.com/en-us/research/wp-content/uploads/2016/11/social_choice_theory.pdf
https://theappsolutions.com/blog/development/recommender-systems-guide/