@inproceedings{samuelsson-1996-handling,
    title = "Handling Sparse Data by Successive Abstraction",
    author = "Samuelsson, Christer",
    booktitle = "{COLING} 1996 Volume 2: The 16th International Conference on Computational Linguistics",
    year = "1996",
    url = "https://aclanthology.org/C96-2151/"
}