SpaDeLeF: A Dataset for Hierarchical Classification of Lexical Functions for Collocations in Spanish

• URL: http://arxiv.org/abs/2311.04189v1
• Date: Tue, 7 Nov 2023 18:32:34 GMT
• Title: SpaDeLeF: A Dataset for Hierarchical Classification of Lexical Functions for Collocations in Spanish
• Authors: Yevhen Kostiuk, Grigori Sidorov, Olga Kolesnikova
• Abstract summary: We present a dataset of most frequent Spanish verb-noun collocations and sentences where they occur. Each collocation is assigned to one of 37 lexical functions defined as classes for a hierarchical classification task. We combine the classes in a tree-based structure, and introduce classification objectives for each level of the structure.
• Score: 6.9454683800956705
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In natural language processing (NLP), lexical function is a concept to unambiguously represent semantic and syntactic features of words and phrases in text first crafted in the Meaning-Text Theory. Hierarchical classification of lexical functions involves organizing these features into a tree-like hierarchy of categories or labels. This is a challenging task as it requires a good understanding of the context and the relationships among words and phrases in text. It also needs large amounts of labeled data to train language models effectively. In this paper, we present a dataset of most frequent Spanish verb-noun collocations and sentences where they occur, each collocation is assigned to one of 37 lexical functions defined as classes for a hierarchical classification task. Each class represents a relation between the noun and the verb in a collocation involving their semantic and syntactic features. We combine the classes in a tree-based structure, and introduce classification objectives for each level of the structure. The dataset was created by dependency tree parsing and matching of the phrases in Spanish news. We provide baselines and data splits for each objective.

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