@inproceedings{learningsubregularclassesoflanguageswith,
  title = {Learning Subregular Classes of Languages with Factored Deterministic Automata},
  author = {Jeffrey Heinz and James Rogers},
  year = {2013},
  booktitle = {WS 2013 8},
  url = {https://aclanthology.org/W13-3007},
}