@inproceedings{johansson-moschitti-2010-flexible, title = "A Flexible Representation of Heterogeneous Annotation Data", author = "Johansson, Richard and Moschitti, Alessandro", editor = "Calzolari, Nicoletta and Choukri, Khalid and Maegaard, Bente and Mariani, Joseph and Odijk, Jan and Piperidis, Stelios and Rosner, Mike and Tapias, Daniel", booktitle = "Proceedings of the Seventh International Conference on Language Resources and Evaluation ({LREC}`10)", month = may, year = "2010", address = "Valletta, Malta", publisher = "European Language Resources Association (ELRA)", url = "https://aclanthology.org/L10-1045/" }