@article{skopusminingtopksequentialpatternsunder,
  title = {Skopus: Mining top-k sequential patterns under leverage},
  author = {Francois Petitjean and Tao Li and Nikolaj Tatti and Geoffrey I. Webb},
  year = {2015},
  eprint = {1506.08009},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1506.08009v4},
}