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Instruction tuning has emerged as a critical paradigm for improving the capabilities and alignment of large language models (LLMs). However, existing iterative model-aware data selection methods incur significant computational overhead, as…

Machine Learning · Computer Science 2025-05-13 Xiaotian Lin , Yanlin Qi , Yizhang Zhu , Themis Palpanas , Chengliang Chai , Nan Tang , Yuyu Luo

Data synthesis has been advocated as an important approach for utilizing data while protecting data privacy. In recent years, a plethora of tabular data synthesis algorithms (i.e., synthesizers) have been proposed. Some synthesizers satisfy…

Cryptography and Security · Computer Science 2025-09-09 Yuntao Du , Ninghui Li

Recent studies have shown that Large Language Models (LLMs) struggle to accurately retrieve information and maintain reasoning capabilities when processing long-context inputs. To address these limitations, we propose a finetuning approach…

Machine Learning · Computer Science 2024-10-15 Zheyang Xiong , Vasilis Papageorgiou , Kangwook Lee , Dimitris Papailiopoulos

Generative modelling has become the standard approach for synthesising tabular data. However, different use cases demand synthetic data to comply with different requirements to be useful in practice. In this survey, we review deep…

Machine Learning · Computer Science 2026-03-17 Mihaela Cătălina Stoian , Eleonora Giunchiglia , Thomas Lukasiewicz

Large Language Models (LLMs) excel in solving mathematical problems, yet their performance is often limited by the availability of high-quality, diverse training data. Existing methods focus on augmenting datasets through rephrasing or…

Computation and Language · Computer Science 2025-08-05 Yue Chen , Minghua He , Fangkai Yang , Pu Zhao , Lu Wang , Yu Kang , Yifei Dong , Yuefeng Zhan , Hao Sun , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang

Pre-training decoder-only language models relies on vast amounts of high-quality data, yet the availability of such data is increasingly reaching its limits. While metadata is commonly used to create and curate these datasets, its potential…

Computation and Language · Computer Science 2025-12-09 Sebastian Sztwiertnia , Felix Friedrich , Kristian Kersting , Patrick Schramowski , Björn Deiseroth

Large Language Models (LLMs) have shown remarkable ability to generalize effectively across numerous industry domains while executing a range of tasks. Many of these competencies are obtained from the data utilized during the pre-training…

Tabular data have been playing a vital role in diverse real-world fields, including healthcare, finance, etc. With the recent success of Large Language Models (LLMs), early explorations of extending LLMs to the domain of tabular data have…

Machine Learning · Computer Science 2025-12-11 Hangting Ye , Jinmeng Li , He Zhao , Dandan Guo , Yi Chang

Complex reasoning over tabular data is crucial in real-world data analysis, yet large language models (LLMs) often underperform due to complex queries, noisy data, and limited numerical capabilities. To address these issues, we propose…

Artificial Intelligence · Computer Science 2025-11-06 Changjiang Jiang , Fengchang Yu , Haihua Chen , Wei Lu , Jin Zeng

Tabular data are crucial in many fields and their understanding by large language models (LLMs) under high parameter efficiency paradigm is important. However, directly applying parameter-efficient fine-tuning (PEFT) techniques to tabular…

Computation and Language · Computer Science 2025-06-30 Xinyi He , Yihao Liu , Mengyu Zhou , Yeye He , Haoyu Dong , Shi Han , Zejian Yuan , Dongmei Zhang

Imbalanced data are commonly present in real-world applications. While data synthesis can effectively mitigate data scarcity for rare classes, and LLMs have revolutionized text generation, the application of LLMs to the synthesis of…

Recent advances in large language model (LLM) training have highlighted the need for diverse, high-quality instruction data. Recently, many works are exploring synthetic data generation using LLMs. However, they primarily focus on prompt…

Computation and Language · Computer Science 2024-12-10 Yifang Chen , David Zhu , Simon Du , Kevin Jamieson , Yang Liu

Instruction tuning has unlocked powerful capabilities in large language models (LLMs), effectively using combined datasets to develop generalpurpose chatbots. However, real-world applications often require a specialized suite of skills…

Computation and Language · Computer Science 2024-06-14 Mengzhou Xia , Sadhika Malladi , Suchin Gururangan , Sanjeev Arora , Danqi Chen

Predictive modeling on tabular data is the cornerstone of many real-world applications. Although gradient boosting machines and some recent deep models achieve strong performance on tabular data, they often lack interpretability. On the…

Machine Learning · Computer Science 2025-07-01 Tommy Xu , Zhitian Zhang , Xiangyu Sun , Lauren Kelly Zung , Hossein Hajimirsadeghi , Greg Mori

To acquire instruction-following capabilities, large language models (LLMs) undergo instruction tuning, where they are trained on instruction-response pairs using next-token prediction (NTP). Efforts to improve instruction tuning often…

Computation and Language · Computer Science 2026-04-21 Yuxin Xiao , Shujian Zhang , Wenxuan Zhou , Marzyeh Ghassemi , Sanqiang Zhao

Table reasoning requires models to jointly perform comprehensive semantic understanding and precise numerical operations. Although recent large language model (LLM)-based methods have achieved promising results, most of them still rely on a…

Artificial Intelligence · Computer Science 2025-12-23 Chuang Jiang , Mingyue Cheng , Xiaoyu Tao , Qingyang Mao , Jie Ouyang , Qi Liu

Recent works improving LLM math reasoning with synthetic data have used unique setups, making comparison of data synthesis strategies impractical. This leaves many unanswered questions about the roles of different factors in the synthetic…

Recently, there has been a growing interest in studying how to construct better code instruction tuning data. However, we observe Code models trained with these datasets exhibit high performance on HumanEval but perform worse on other…

In the domain of data science, the predictive tasks of classification, regression, and imputation of missing values are commonly encountered challenges associated with tabular data. This research endeavors to apply Large Language Models…

Machine Learning · Computer Science 2026-04-23 Yazheng Yang , Yuqi Wang , Yaxuan Li , Sankalok Sen , Lei Li , Lin Qiu , Qi Liu

Large language models (LLMs) exhibit remarkable capabilities across diverse tasks, yet aligning them efficiently and effectively with human expectations remains a critical challenge. This thesis advances LLM alignment by introducing novel…

Computation and Language · Computer Science 2025-06-12 Yuxin Jiang