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Large language models (LLMs) rely on web-scale corpora for pre-training. The noise inherent in these datasets tends to obscure meaningful patterns and ultimately degrade model performance. Data curation mitigates but cannot eliminate such…

计算与语言 · 计算机科学 2026-05-12 Xu Guo , Runyu Peng , Jian Tong , Yunhua Zhou , Haijun Lv , Zhihui Lu , Qipeng Guo

Advancements in Large Language Models (LLMs) have significantly enhanced instruction-following capabilities. However, most Instruction Fine-Tuning (IFT) datasets are predominantly in English, limiting model performance in other languages.…

Large language models (LLMs) perform strongly on many language tasks but still struggle with complex multi-step reasoning across disciplines. Existing reasoning datasets often lack disciplinary breadth, reasoning depth, and diversity, as…

计算与语言 · 计算机科学 2026-02-03 Weize Liu , Yongchi Zhao , Yijia Luo , Mingyu Xu , Jiaheng Liu , Yanan Li , Xiguo Hu , Zhiqi Bai , Yuchi Xu , Wenbo Su , Bo Zheng

Synthetic data augmentation helps language models learn new knowledge in data-constrained domains. However, naively scaling existing synthetic data methods by training on more synthetic tokens or using stronger generators yields diminishing…

机器学习 · 计算机科学 2026-03-31 Seungju Han , Konwoo Kim , Chanwoo Park , Benjamin Newman , Suhas Kotha , Jaehun Jung , James Zou , Yejin Choi

Data augmentation via synthetic data generation has been shown to be effective in improving model performance and robustness in the context of scarce or low-quality data. Using the data valuation framework to statistically identify…

机器学习 · 计算机科学 2025-02-11 Tommaso Ferracci , Leonie Tabea Goldmann , Anton Hinel , Francesco Sanna Passino

Proof assistants like Lean have revolutionized mathematical proof verification, ensuring high accuracy and reliability. Although large language models (LLMs) show promise in mathematical reasoning, their advancement in formal theorem…

人工智能 · 计算机科学 2024-05-24 Huajian Xin , Daya Guo , Zhihong Shao , Zhizhou Ren , Qihao Zhu , Bo Liu , Chong Ruan , Wenda Li , Xiaodan Liang

Existing anomaly detection (AD) methods for tabular data usually rely on some assumptions about anomaly patterns, leading to inconsistent performance in real-world scenarios. While Large Language Models (LLMs) show remarkable reasoning…

机器学习 · 计算机科学 2026-03-31 Hangting Ye , Jinmeng Li , He Zhao , Mingchen Zhuge , Dandan Guo , Yi Chang , Hongyuan Zha

Business documents often contain substantial tabular and textual information with numerical values, requiring mathematical reasoning for effective document understanding. While Small Language Models (SLMs) still struggle at this task,…

机器学习 · 计算机科学 2025-08-22 Vishnou Vinayagame , Gregory Senay , Luis Martí

Datasets nowadays are generally constructed from multiple sources and using different synthetic techniques, making data de-noising and de-duplication crucial before being used for post-training. In this work, we propose to perform…

计算与语言 · 计算机科学 2024-12-24 Qi Jia , Siyu Ren , Ziheng Qin , Fuzhao Xue , Jinjie Ni , Yang You

Instruction tuning is crucial for optimizing Large Language Models (LLMs), yet mainstream data selection methods heavily rely on LLMs as instruction quality scorers, leading to high computational costs and reduced data diversity. To address…

机器学习 · 计算机科学 2025-03-04 Hongyi Cai , Yuqian Fu , Hongming Fu , Bo Zhao

In this paper, we explore the utility of translationese as synthetic data created using machine translation for pre-training language models (LMs) for low-resource languages (LRLs). Our simple methodology consists of translating large…

计算与语言 · 计算机科学 2025-07-08 Meet Doshi , Raj Dabre , Pushpak Bhattacharyya

The fast-growing demands in using Large Language Models (LLMs) to tackle complex multi-step data science tasks create an emergent need for accurate benchmarking. There are two major gaps in existing benchmarks: (i) the lack of standardized,…

人工智能 · 计算机科学 2026-03-02 Fan Shu , Yite Wang , Ruofan Wu , Boyi Liu , Zhewei Yao , Yuxiong He , Feng Yan

Recent advancements in tabular deep learning (DL) have led to substantial performance improvements, surpassing the capabilities of traditional models. With the adoption of techniques from natural language processing (NLP), such as language…

机器学习 · 计算机科学 2024-11-27 Anton Frederik Thielmann , Soheila Samiee

Data-centric training has emerged as a promising direction for improving large language models (LLMs) by optimizing not only model parameters but also the selection, composition, and weighting of training data during optimization. However,…

Synthetic data has been widely used to train large language models, but their generative nature inevitably introduces noisy, non-informative, and misleading learning signals. In this paper, we propose Montessori-Instruct, a novel data…

计算与语言 · 计算机科学 2024-10-21 Xiaochuan Li , Zichun Yu , Chenyan Xiong

Maintaining consistent model performance across domains is a fundamental challenge in machine learning. While recent work has explored using LLM-generated data for fine-tuning, its impact on cross-domain generalization remains poorly…

计算与语言 · 计算机科学 2025-12-12 Chao-Chung Wu , Zhi Rui Tam , Chieh-Yen Lin , Yun-Nung Chen , Shao-Hua Sun , Hung-yi Lee

Multi-table entity matching (MEM) addresses the limitations of dual-table approaches by enabling simultaneous identification of equivalent entities across multiple data sources without unique identifiers. However, existing methods relying…

计算与语言 · 计算机科学 2026-04-24 Yingkai Tang , Taoyu Su , Wenyuan Zhang , Xiaoyang Guo , Tingwen Liu

Proprietary Large Language Models (LLMs), such as ChatGPT, have garnered significant attention due to their exceptional capabilities in handling a diverse range of tasks. Recent studies demonstrate that open-sourced smaller foundational…

计算与语言 · 计算机科学 2023-10-10 Yue Zhang , Leyang Cui , Deng Cai , Xinting Huang , Tao Fang , Wei Bi

Tabular data is common yet typically incomplete, small in volume, and access-restricted due to privacy concerns. Synthetic data generation offers potential solutions. Many metrics exist for evaluating the quality of synthetic tabular data;…

机器学习 · 计算机科学 2024-04-01 Scott Cheng-Hsin Yang , Baxter Eaves , Michael Schmidt , Ken Swanson , Patrick Shafto

With the growing demands of AI-generated content (AIGC), the need for high-quality, diverse, and scalable data has become increasingly crucial. However, collecting large-scale real-world data remains costly and time-consuming, hindering the…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Kunyu Feng , Yue Ma , Xinhua Zhang , Boshi Liu , Yikuang Yuluo , Yinhan Zhang , Runtao Liu , Hongyu Liu , Zhiyuan Qin , Shanhui Mo , Qifeng Chen , Zeyu Wang