Improving memory-based collaborative filtering by neighbour selection based on user preference overlap

@inproceedings{Bellogn2013ImprovingMC,
  title={Improving memory-based collaborative filtering by neighbour selection based on user preference overlap},
  author={Alejandro Bellog{\'i}n and Pablo Castells and Iv{\'a}n Cantador},
  booktitle={OAIR},
  year={2013}
}
User-based collaborative filtering approaches suggest interesting items to a user relying on similar-minded people referred to as neighbours. While standard approaches select neighbours based on user similarity, others rely on aspects related to user trustworthiness and reliability. We investigate the extent to which user similarities are essential to obtain high quality item recommendation, and propose to select neighbours according to the overlap of their preferences with those of the target… CONTINUE READING