@inproceedings{ijcai2007p124,
  title     = {Sequence Labelling in Structured Domains with Hierarchical Recurrent Neural Networks},
  author    = {Fernández, Santiago and Graves, Alex and Schmidhuber, Jürgen},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {774--778},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/124},
}