Building Korean linguistic resource for NLU data generation of banking app CS dialog system
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866914552455626752 |
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| author | Yoon, Jeongwoo Park, On-yu Hwang, Changhoe Yoo, Gwanghoon Laporte, Eric Nam, Jeesun |
| author_facet | Yoon, Jeongwoo Park, On-yu Hwang, Changhoe Yoo, Gwanghoon Laporte, Eric Nam, Jeesun |
| contents | Natural language understanding (NLU) is integral to task-oriented dialog systems, but demands a considerable amount of annotated training data to increase the coverage of diverse utterances. In this study, we report the construction of a linguistic resource named FIAD (Financial Annotated Dataset) and its use to generate a Korean annotated training data for NLU in the banking customer service (CS) domain. By an empirical examination of a corpus of banking app reviews, we identified three linguistic patterns occurring in Korean request utterances: TOPIC (ENTITY, FEATURE), EVENT, and DISCOURSE MARKER. We represented them in LGGs (Local Grammar Graphs) to generate annotated data covering diverse intents and entities. To assess the practicality of the resource, we evaluate the performances of DIET-only (Intent: 0.91 /Topic [entity+feature]: 0.83), DIET+ HANBERT (I:0.94/T:0.85), DIET+ KoBERT (I:0.94/T:0.86), and DIET+ KorBERT (I:0.95/T:0.84) models trained on FIAD-generated data to extract various types of semantic items. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_10241 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Building Korean linguistic resource for NLU data generation of banking app CS dialog system Yoon, Jeongwoo Park, On-yu Hwang, Changhoe Yoo, Gwanghoon Laporte, Eric Nam, Jeesun Computation and Language Machine Learning I.7.0 Natural language understanding (NLU) is integral to task-oriented dialog systems, but demands a considerable amount of annotated training data to increase the coverage of diverse utterances. In this study, we report the construction of a linguistic resource named FIAD (Financial Annotated Dataset) and its use to generate a Korean annotated training data for NLU in the banking customer service (CS) domain. By an empirical examination of a corpus of banking app reviews, we identified three linguistic patterns occurring in Korean request utterances: TOPIC (ENTITY, FEATURE), EVENT, and DISCOURSE MARKER. We represented them in LGGs (Local Grammar Graphs) to generate annotated data covering diverse intents and entities. To assess the practicality of the resource, we evaluate the performances of DIET-only (Intent: 0.91 /Topic [entity+feature]: 0.83), DIET+ HANBERT (I:0.94/T:0.85), DIET+ KoBERT (I:0.94/T:0.86), and DIET+ KorBERT (I:0.95/T:0.84) models trained on FIAD-generated data to extract various types of semantic items. |
| title | Building Korean linguistic resource for NLU data generation of banking app CS dialog system |
| topic | Computation and Language Machine Learning I.7.0 |
| url | https://arxiv.org/abs/2605.10241 |