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arXiv 2412.08970cs.CL
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多表数据上的推理感知查询聚焦摘要

Reasoning-Aware Query-Focused Summarization over Multi-Table Data

Henan Polytechnic University(河南理工大学)

Xiaochuan Lin, Xiangyong Chen

AI总结:

针对多表数据查询聚焦摘要现有方法预处理复杂、泛化性差、推理能力不足的问题,提出融合表感知预训练、查询对齐微调和反馈强化学习的端到端框架QueryTableSummarizer++,在多项指标上优于基线,具备良好泛化性与实用价值。

摘要:

多表数据上的查询聚焦摘要是从结构化数据中提取精准相关信息的一项具有挑战性却至关重要的任务。现有方法通常依赖复杂的预处理步骤,难以跨领域泛化,也难以处理多表查询所需的逻辑推理。本文提出QueryTableSummarizer++,这是一个利用大语言模型(LLMs)的端到端生成式框架,通过表感知预训练、查询对齐微调以及带反馈的强化学习对模型进行增强。该方法无需中间序列化步骤,可直接生成与查询相关的摘要。在基准数据集上的实验表明,QueryTableSummarizer++在BLEU、ROUGE和F1值指标上显著优于当前最优基线模型。进一步分析凸显了其可扩展性、跨领域泛化能力以及对复杂查询的稳健处理能力。人工评估进一步验证了生成摘要的优异质量和实际适用性,确立了QueryTableSummarizer++作为多表摘要任务高效解决方案的地位。

英文摘要:

Query-focused summarization over multi-table data is a challenging yet critical task for extracting precise and relevant information from structured data. Existing methods often rely on complex preprocessing steps and struggle to generalize across domains or handle the logical reasoning required for multi-table queries. In this paper, we propose QueryTableSummarizer++, an end-to-end generative framework leveraging large language models (LLMs) enhanced with table-aware pre-training, query-aligned fine-tuning, and reinforcement learning with feedback. Our method eliminates the need for intermediate serialization steps and directly generates query-relevant summaries. Experiments on a benchmark dataset demonstrate that QueryTableSummarizer++ significantly outperforms state-of-the-art baselines in terms of BLEU, ROUGE, and F1-score. Additional analyses highlight its scalability, generalization across domains, and robust handling of complex queries. Human evaluation further validates the superior quality and practical applicability of the generated summaries, establishing QueryTableSummarizer++ as a highly effective solution for multi-table summarization tasks.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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