@inproceedings{ushioda-1996-hierarchical, title = "Hierarchical Clustering of Words", author = "Ushioda, Akira", booktitle = "{COLING} 1996 Volume 2: The 16th International Conference on Computational Linguistics", year = "1996", url = "https://preview.aclanthology.org/fix-sig-urls/C96-2212/" }