Continuous representations of intents for dialogue systems

• URL: http://arxiv.org/abs/2105.03716v1
• Date: Sat, 8 May 2021 15:08:20 GMT
• Title: Continuous representations of intents for dialogue systems
• Authors: Sindre Andr\'e Jacobsen and Anton Ragni
• Abstract summary: Up until recently the focus has been on detecting a fixed, discrete, number of seen intents. Recent years have seen some work done on unseen intent detection in the context of zero-shot learning. This paper proposes a novel model where intents are continuous points placed in a specialist Intent Space.
• Score: 10.031004070657122
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Intent modelling has become an important part of modern dialogue systems. With the rapid expansion of practical dialogue systems and virtual assistants, such as Amazon Alexa, Apple Siri, and Google Assistant, the interest has only increased. However, up until recently the focus has been on detecting a fixed, discrete, number of seen intents. Recent years have seen some work done on unseen intent detection in the context of zero-shot learning. This paper continues the prior work by proposing a novel model where intents are continuous points placed in a specialist Intent Space that yields several advantages. First, the continuous representation enables to investigate relationships between the seen intents. Second, it allows any unseen intent to be reliably represented given limited quantities of data. Finally, this paper will show how the proposed model can be augmented with unseen intents without retraining any of the seen ones. Experiments show that the model can reliably add unseen intents with a high accuracy while retaining a high performance on the seen intents.

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