Incorporating Task-specific Concept Knowledge into Script Learning

• URL: http://arxiv.org/abs/2209.00068v3
• Date: Mon, 24 Apr 2023 00:48:03 GMT
• Title: Incorporating Task-specific Concept Knowledge into Script Learning
• Authors: Chenkai Sun, Tie Xu, ChengXiang Zhai, Heng Ji
• Abstract summary: We present Tetris, a new task of Goal-Oriented Script Completion. It considers a more realistic and general setting, where the input includes not only the goal but also additional user context. We propose a novel approach, which uses two techniques to improve performance.
• Score: 68.95195207989605
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, we present Tetris, a new task of Goal-Oriented Script Completion. Unlike previous work, it considers a more realistic and general setting, where the input includes not only the goal but also additional user context, including preferences and history. To address this problem, we propose a novel approach, which uses two techniques to improve performance: (1) concept prompting, and (2) script-oriented contrastive learning that addresses step repetition and hallucination problems. On our WikiHow-based dataset, we find that both methods improve performance. The dataset, repository, and models will be publicly available to facilitate further research on this new task.

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