Text-to-Pipeline: Bridging Natural Language and Data Preparation Pipelines

• URL: http://arxiv.org/abs/2505.15874v1
• Date: Wed, 21 May 2025 15:40:53 GMT
• Title: Text-to-Pipeline: Bridging Natural Language and Data Preparation Pipelines
• Authors: Yuhang Ge, Yachuan Liu, Yuren Mao, Yunjun Gao,
• Abstract summary: We introduce Text-to-Pipeline, a task that translates data preparation instructions into DP pipelines.<n>We also develop a benchmark named PARROT to support systematic evaluation.<n>Despite this improvement, there remains substantial room for progress on Text-to-Pipeline.
• Score: 23.421567721746765
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Data preparation (DP) transforms raw data into a form suitable for downstream applications, typically by composing operations into executable pipelines. Building such pipelines is time-consuming and requires sophisticated programming skills. If we can build the pipelines with natural language (NL), the technical barrier of DP will be significantly reduced. However, constructing DP pipelines from NL instructions remains underexplored. To fill the gap, we introduce Text-to-Pipeline, a new task that translates NL data preparation instructions into DP pipelines. Furthermore, we develop a benchmark named PARROT to support systematic evaluation. To simulate realistic DP scenarios, we mined transformation patterns from production pipelines and instantiated them on 23,009 real-world tables collected from six public sources. The resulting benchmark comprises ~18,000 pipelines covering 16 core DP operators. We evaluated cutting-edge large language models on PARROTand observed that they only solved 72.86% of the cases, revealing notable limitations in instruction understanding and multi-step reasoning. To address this, we propose Pipeline-Agent, a stronger baseline that iteratively predicts and executes operations with intermediate table feedback, achieving the best performance of 76.17%. Despite this improvement, there remains substantial room for progress on Text-to-Pipeline. Our data, codes, and evaluation tools are available at https://anonymous.4open.science/r/Text-to-Pipeline.

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