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arXiv · 1801.05149

OneNet: Joint Domain, Intent, Slot Prediction for Spoken Language Understanding

Young-Bum Kim·Sungjin Lee·Karl Stratos
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Abstract

In practice, most spoken language understanding systems process user input in a pipelined manner; first domain is predicted, then intent and semantic slots are inferred according to the semantic frames of the predicted domain. The pipeline approach, however, has some disadvantages: error propagation and lack of information sharing. To address these issues, we present a unified neural network that jointly performs domain, intent, and slot predictions. Our approach adopts a principled architecture for multitask learning to fold in the state-of-the-art models for each task. With a few more ingredients, e.g. orthography-sensitive input encoding and curriculum training, our model delivered significant improvements in all three tasks across all domains over strong baselines, including one using oracle prediction for domain detection, on real user data of a commercial personal assistant.

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Young-Bum Kim, Sungjin Lee, Karl Stratos. 2018-01-16. OneNet: Joint Domain, Intent, Slot Prediction for Spoken Language Understanding. https://arxiv.org/abs/1801.05149

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