The Winner Takes it All: Geographic Imbalance and Provider (Un)fairness in Educational Recommender Systems.
Elizabeth GómezCarlos Shui ZhangLudovico BorattoMaria SalamóMirko MarrasPublished in: SIGIR (2021)
Keyphrases
- recommender systems
- collaborative filtering
- service providers
- resource allocation
- multimedia
- user modeling
- matrix factorization
- user profiling
- geographic information
- educational institutions
- distance education
- e learning
- trust aware
- educational games
- user profiles
- learning community
- learning technologies
- game theory
- user preferences
- geographic location
- educational technology
- information overload
- web based learning
- implicit feedback
- data sparsity
- cold start problem
- search engine