Is Japanese CCGBank empirically correct? A case study of passive and causative constructions

• URL: http://arxiv.org/abs/2302.14708v1
• Date: Tue, 28 Feb 2023 16:19:24 GMT
• Title: Is Japanese CCGBank empirically correct? A case study of passive and causative constructions
• Authors: Daisuke Bekki and Hitomi Yanaka
• Abstract summary: We focus on the analysis of passive/causative constructions in the Japanese CCGBank. We show that, together with the compositional semantics of ccg2lambda, a semantic parsing system, it yields empirically wrong predictions for the nested construction of passives and causatives.
• Score: 18.021287677546958
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The Japanese CCGBank serves as training and evaluation data for developing Japanese CCG parsers. However, since it is automatically generated from the Kyoto Corpus, a dependency treebank, its linguistic validity still needs to be sufficiently verified. In this paper, we focus on the analysis of passive/causative constructions in the Japanese CCGBank and show that, together with the compositional semantics of ccg2lambda, a semantic parsing system, it yields empirically wrong predictions for the nested construction of passives and causatives.

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