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Related papers: Token Cleaning: Fine-Grained Data Selection for LL…

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Language models typically tokenize raw text into sequences of subword identifiers from a predefined vocabulary, a process inherently sensitive to typographical errors, length variations, and largely oblivious to the internal structure of…

Computation and Language · Computer Science 2024-10-07 Yekun Chai , Yewei Fang , Qiwei Peng , Xuhong Li

Large Language Models (LLMs) demonstrate exceptional performance across diverse tasks but come with substantial energy and computational costs, particularly in request-heavy scenarios. In many real-world applications, the full scale and…

Computation and Language · Computer Science 2026-03-24 Patrick Wilhelm , Thorsten Wittkopp , Odej Kao

Mathematical reasoning is a challenging task for large language models (LLMs), while the scaling relationship of it with respect to LLM capacity is under-explored. In this paper, we investigate how the pre-training loss, supervised data…

Computation and Language · Computer Science 2023-09-14 Zheng Yuan , Hongyi Yuan , Chengpeng Li , Guanting Dong , Keming Lu , Chuanqi Tan , Chang Zhou , Jingren Zhou

Instruction tuning is essential for aligning large language models (LLMs) to downstream tasks and commonly relies on large, diverse corpora. However, small, high-quality subsets, known as coresets, can deliver comparable or superior…

Computation and Language · Computer Science 2026-05-15 Manish Nagaraj , Sakshi Choudhary , Utkarsh Saxena , Deepak Ravikumar , Kaushik Roy

Large language models encode impressively broad world knowledge in their parameters. However, the knowledge in static language models falls out of date, limiting the model's effective "shelf life." While online fine-tuning can reduce this…

Computation and Language · Computer Science 2023-10-24 Nathan Hu , Eric Mitchell , Christopher D. Manning , Chelsea Finn

Low-rank approximation techniques have become the de facto standard for fine-tuning Large Language Models (LLMs) due to their reduced computational and memory requirements. This paper investigates the effectiveness of these methods in…

Machine Learning · Computer Science 2024-05-30 Saswat Das , Marco Romanelli , Cuong Tran , Zarreen Reza , Bhavya Kailkhura , Ferdinando Fioretto

Supervised Fine-Tuning (SFT) is commonly used to train language models to imitate annotated responses for given instructions. In this paper, we propose Critique Fine-Tuning (CFT), a method more effective than SFT for reasoning tasks.…

Computation and Language · Computer Science 2025-04-01 Yubo Wang , Xiang Yue , Wenhu Chen

Spoken language understanding (SLU) tasks involve diverse skills that probe the information extraction, classification and/or generation capabilities of models. In this setting, task-specific training data may not always be available. While…

Computation and Language · Computer Science 2025-10-06 Neeraj Agrawal , Sriram Ganapathy

While supervised fine-tuning (SFT) has been a straightforward approach for tailoring the output of foundation large language model (LLM) to specific preferences, concerns have been raised about the depth of this alignment, with some…

Computation and Language · Computer Science 2024-04-26 Runzhe Zhan , Xinyi Yang , Derek F. Wong , Lidia S. Chao , Yue Zhang

Simple fine-tuning can embed hidden text into large language models (LLMs), which is revealed only when triggered by a specific query. Applications include LLM fingerprinting, where a unique identifier is embedded to verify licensing…

Computation and Language · Computer Science 2025-06-27 Jakub Hoscilowicz , Pawel Popiolek , Jan Rudkowski , Jedrzej Bieniasz , Artur Janicki

The performance of a large language model (LLM) depends heavily on the quality and size of its pretraining dataset. However, the pretraining datasets for state-of-the-art open LLMs like Llama 3 and Mixtral are not publicly available and…

Computation and Language · Computer Science 2024-11-01 Guilherme Penedo , Hynek Kydlíček , Loubna Ben allal , Anton Lozhkov , Margaret Mitchell , Colin Raffel , Leandro Von Werra , Thomas Wolf

Large language models (LLMs) have been applied to a wide range of tasks, including text summarization, web navigation, and chatbots. They have benefitted from supervised fine-tuning (SFT) and reinforcement learning from human feedback…

Computation and Language · Computer Science 2024-08-07 Ryan Aponte , Ryan A. Rossi , Shunan Guo , Franck Dernoncourt , Tong Yu , Xiang Chen , Subrata Mitra , Nedim Lipka

Large language models (LLMs) excel across diverse natural language processing tasks but face resource demands and limited context windows. Although techniques like pruning, quantization, and token dropping can mitigate these issues, their…

Computation and Language · Computer Science 2025-08-04 Ammar Ahmed , Sheng Di , Franck Cappello , Zirui Liu , Jingoo Han , Ali Anwar

Parameter-Efficient Fine-Tuning (PEFT) methods enable efficient adaptation of Large Language Models (LLMs) to various downstream applications. However, the effectiveness of the PEFT diminishes notably when downstream tasks require accurate…

Computation and Language · Computer Science 2024-05-29 Renzhi Wang , Piji Li

Data contamination is a known threat to the reliability of model evaluation. However, it remains underexplored in code large language models (LLMs), where contamination often goes beyond exact duplication. We present TRACER, a…

Software Engineering · Computer Science 2026-05-26 Yifeng Di , Xuliang Huang , Tianyi Zhang

Large Language Models (LLMs) rely on massive training datasets, often including proprietary data, which raises concerns about unauthorized usage and copyright infringement. Existing dataset inference methods typically require access to log…

Computation and Language · Computer Science 2026-05-05 Chen Xiong , Zihao Wang , Rui Zhu , Tsung-Yi Ho , Pin-Yu Chen , Jingwei Xiong , Haixu Tang

Enhancing small language models for real-life application deployment is a significant challenge facing the research community. Due to the difficulties and costs of using large language models, researchers are seeking ways to effectively…

Computation and Language · Computer Science 2024-09-20 Mohamad Ballout , Ulf Krumnack , Gunther Heidemann , Kai-Uwe Kühnberger

Safe deployment of large language models (LLMs) may benefit from a reliable method for assessing their generated content to determine when to abstain or to selectively generate. While likelihood-based metrics such as perplexity are widely…

Computation and Language · Computer Science 2023-12-18 Jie Ren , Yao Zhao , Tu Vu , Peter J. Liu , Balaji Lakshminarayanan

In the era of large language models (LLMs), detecting pretraining data has been increasingly important due to concerns about fair evaluation and ethical risks. Current methods differentiate members and non-members by designing scoring…

Computation and Language · Computer Science 2025-03-18 Hengxiang Zhang , Songxin Zhang , Bingyi Jing , Hongxin Wei

Large language models (LLMs) have achieved impressive performance across natural language processing (NLP) tasks. As real-world applications increasingly demand longer context windows, continued pretraining and supervised fine-tuning (SFT)…

Computation and Language · Computer Science 2025-10-06 Yingming Zheng , Hanqi Li , Kai Yu , Lu Chen