El Volumen Louder Por Favor: Code-switching in Task-oriented Semantic Parsing

• URL: http://arxiv.org/abs/2101.10524v3
• Date: Thu, 28 Jan 2021 08:09:08 GMT
• Title: El Volumen Louder Por Favor: Code-switching in Task-oriented Semantic Parsing
• Abstract summary: We focus on Spanglish (Spanish+English) and release a dataset, CSTOP, containing 5800 CS utterances alongside their semantic parses. We examine the CS generalizability of various Cross-lingual (XL) models and exhibit the advantage of pre-trained XL language models when data for only one language is present.
• Score: 7.153795286069918
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Being able to parse code-switched (CS) utterances, such as Spanish+English or Hindi+English, is essential to democratize task-oriented semantic parsing systems for certain locales. In this work, we focus on Spanglish (Spanish+English) and release a dataset, CSTOP, containing 5800 CS utterances alongside their semantic parses. We examine the CS generalizability of various Cross-lingual (XL) models and exhibit the advantage of pre-trained XL language models when data for only one language is present. As such, we focus on improving the pre-trained models for the case when only English corpus alongside either zero or a few CS training instances are available. We propose two data augmentation methods for the zero-shot and the few-shot settings: fine-tune using translate-and-align and augment using a generation model followed by match-and-filter. Combining the few-shot setting with the above improvements decreases the initial 30-point accuracy gap between the zero-shot and the full-data settings by two thirds.

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