PMD: An Optimal Transportation-Based User Distance for Recommender Systems.
Yitong MengXinyan DaiXiao YanJames ChengWeiwen LiuJun GuoBenben LiaoGuangyong ChenPublished in: ECIR (2) (2020)
Keyphrases
- recommender systems
- collaborative filtering
- user preferences
- user profiles
- user profiling
- user interests
- user model
- user modelling
- matrix factorization
- recommendation quality
- optimal solution
- distance measure
- user feedback
- cold start problem
- user modeling
- user interface
- average distance
- worst case
- information overload
- user similarity
- dynamic programming
- user ratings
- user experience
- minimum distance
- distance function
- end users
- recommendation systems
- information filtering
- user interaction
- user defined