Dependency Treebank for Russian: Concept, Tools, Types of Information Igor Boguslavsky author Svetlana Grigorieva author Nikolai Grigoriev author Leonid Kreidlin author Nadezhda Frid author 2000 text COLING 2000 Volume 2: The 18th International Conference on Computational Linguistics conference publication boguslavsky-etal-2000-dependency https://aclanthology.org/C00-2143/ 2000