End-to-End Slot Alignment and Recognition for Cross-Lingual NLU

Autor:	Xu, Weijia, Haider, Batool, Mansour, Saab
Rok vydání:	2020
Předmět:	Computer Science - Computation and Language Computer Science - Machine Learning
Druh dokumentu:	Working Paper
Popis:	Natural language understanding (NLU) in the context of goal-oriented dialog systems typically includes intent classification and slot labeling tasks. Existing methods to expand an NLU system to new languages use machine translation with slot label projection from source to the translated utterances, and thus are sensitive to projection errors. In this work, we propose a novel end-to-end model that learns to align and predict target slot labels jointly for cross-lingual transfer. We introduce MultiATIS++, a new multilingual NLU corpus that extends the Multilingual ATIS corpus to nine languages across four language families, and evaluate our method using the corpus. Results show that our method outperforms a simple label projection method using fast-align on most languages, and achieves competitive performance to the more complex, state-of-the-art projection method with only half of the training time. We release our MultiATIS++ corpus to the community to continue future research on cross-lingual NLU. Comment: Accepted at EMNLP 2020
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2004.14353 Zobrazit plný text záznamu View this record from Arxiv