Goal-Oriented Script Construction

• URL: http://arxiv.org/abs/2107.13189v1
• Date: Wed, 28 Jul 2021 06:39:31 GMT
• Title: Goal-Oriented Script Construction
• Authors: Qing Lyu, Li Zhang, Chris Callison-Burch
• Abstract summary: We propose the Goal-Oriented Script Construction task, where a model produces a sequence of steps to accomplish a given goal. We pilot our task on the first multilingual script learning dataset supporting 18 languages collected from wikiHow.
• Score: 23.6227797113877
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The knowledge of scripts, common chains of events in stereotypical scenarios, is a valuable asset for task-oriented natural language understanding systems. We propose the Goal-Oriented Script Construction task, where a model produces a sequence of steps to accomplish a given goal. We pilot our task on the first multilingual script learning dataset supporting 18 languages collected from wikiHow, a website containing half a million how-to articles. For baselines, we consider both a generation-based approach using a language model and a retrieval-based approach by first retrieving the relevant steps from a large candidate pool and then ordering them. We show that our task is practical, feasible but challenging for state-of-the-art Transformer models, and that our methods can be readily deployed for various other datasets and domains with decent zero-shot performance.

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