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arXiv · 2203.03431

What Did You Say? Task-Oriented Dialog Datasets Are Not Conversational!?

Alice Shoshana Jakobovits·Francesco Piccinno·Yasemin Altun
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Abstract

High-quality datasets for task-oriented dialog are crucial for the development of virtual assistants. Yet three of the most relevant large scale dialog datasets suffer from one common flaw: the dialog state update can be tracked, to a great extent, by a model that only considers the current user utterance, ignoring the dialog history. In this work, we outline a taxonomy of conversational and contextual effects, which we use to examine MultiWOZ, SGD and SMCalFlow, among the most recent and widely used task-oriented dialog datasets. We analyze the datasets in a model-independent fashion and corroborate these findings experimentally using a strong text-to-text baseline (T5). We find that less than 4% of MultiWOZ's turns and 10% of SGD's turns are conversational, while SMCalFlow is not conversational at all in its current release: its dialog state tracking task can be reduced to single exchange semantic parsing. We conclude by outlining desiderata for truly conversational dialog datasets.

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Alice Shoshana Jakobovits, Francesco Piccinno, Yasemin Altun. 2022-03-07. What Did You Say? Task-Oriented Dialog Datasets Are Not Conversational!?. https://arxiv.org/abs/2203.03431

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