@article{discoveringplayingpatternstimeseries,
  title = {Discovering Playing Patterns: Time Series Clustering of Free-To-Play Game Data},
  author = {Alain Saas and Anna Guitart and África Periáñez},
  year = {2017},
  eprint = {1710.02268},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1710.02268v1},
}