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Large Language Models(LLMs) have shown exceptional abilities, yet training these models can be quite challenging. There is a strong dependence on the quality of data and finding the best instruction tuning set. Further, the inherent…

Machine Learning · Computer Science 2024-06-28 Nikhil Kothari , Ravindra Nayak , Shreyas Shetty , Amey Patil , Nikesh Garera

Language models (LMs) excel at tasks across diverse domains, yet require substantial computational resources during inference. Compression techniques such as pruning and quantization offer a practical path towards efficient LM deployment,…

Computation and Language · Computer Science 2026-02-26 Miles Williams , George Chrysostomou , Vitor Jeronymo , Nikolaos Aletras

Multi-domain fine-tuning of large language models requires improving performance on target domains while preserving performance on constrained domains, such as general knowledge, instruction following, or safety evaluations. Existing data…

Machine Learning · Computer Science 2026-05-12 Eleonora Gualdoni , Sonia Laguna , Louis Bethune , Joao Monteiro , Pierre Ablin , Marco Cuturi

We propose a novel approach for domain generalisation (DG) leveraging risk distributions to characterise domains, thereby achieving domain invariance. In our findings, risk distributions effectively highlight differences between training…

Machine Learning · Computer Science 2023-10-31 Toan Nguyen , Kien Do , Bao Duong , Thin Nguyen

Deep generative models can help with data scarcity and privacy by producing synthetic training data, but they struggle in low-data, imbalanced tabular settings to fully learn the complex data distribution. We argue that striving for the…

Machine Learning · Statistics 2026-03-12 Xiaofeng Lin , Seungbae Kim , Zhuoya Li , Zachary DeSoto , Charles Fleming , Guang Cheng

Large language models (LLMs) have recently shown strong reasoning abilities in domains like mathematics, coding, and scientific problem-solving, yet their potential for ranking tasks, where prime examples include retrieval, recommender…

Information Retrieval · Computer Science 2025-10-17 Tao Feng , Zhigang Hua , Zijie Lei , Yan Xie , Shuang Yang , Bo Long , Jiaxuan You

In speech deepfake detection (SDD), data augmentation (DA) is commonly used to improve model generalization across varied speech conditions and spoofing attacks. However, during training, the backpropagated gradients from original and…

Sound · Computer Science 2026-01-29 Duc-Tuan Truong , Tianchi Liu , Junjie Li , Ruijie Tao , Kong Aik Lee , Eng Siong Chng

Modeling crisp logical regularities is crucial in semantic parsing, making it difficult for neural models with no task-specific prior knowledge to achieve good results. In this paper, we introduce data recombination, a novel framework for…

Computation and Language · Computer Science 2016-06-14 Robin Jia , Percy Liang

Branch and Bound (B&B) is the exact tree search method typically used to solve Mixed-Integer Linear Programming problems (MILPs). Learning branching policies for MILP has become an active research area, with most works proposing to imitate…

Machine Learning · Computer Science 2021-06-04 Giulia Zarpellon , Jason Jo , Andrea Lodi , Yoshua Bengio

Large foundation models are typically trained on data from multiple domains, with the data mixture--the proportion of each domain used--playing a critical role in model performance. The standard approach to selecting this mixture relies on…

Machine Learning · Computer Science 2025-10-03 Mustafa Shukor , Louis Bethune , Dan Busbridge , David Grangier , Enrico Fini , Alaaeldin El-Nouby , Pierre Ablin

Most large language models are fine-tuned using either expensive human-annotated data or GPT-4 generated data which cannot guarantee performance in certain domains. We argue that although the web-crawled data often has formatting errors…

Computation and Language · Computer Science 2024-08-16 Jing Zhou , Chenglin Jiang , Wei Shen , Xiao Zhou , Xiaonan He

Reasoning has substantially improved the performance of large language models (LLMs) on complicated tasks. Central to the current reasoning studies, Process Reward Models (PRMs) offer a fine-grained evaluation of intermediate reasoning…

Machine Learning · Computer Science 2025-11-05 Qi Cao , Ruiyi Wang , Ruiyi Zhang , Sai Ashish Somayajula , Pengtao Xie

Large language models (LLMs) fine-tuning shows excellent implications. However, vanilla fine-tuning methods often require intricate data mixture and repeated experiments for optimal generalization. To address these challenges and streamline…

Computation and Language · Computer Science 2025-10-20 Yang Tang , Ruijie Liu , Yifan Wang , Shiyu Li , Xi Chen

Reinforcement learning often needs to deal with the exponential growth of states and actions when exploring optimal control in high-dimensional spaces (often known as the curse of dimensionality). In this work, we address this issue by…

Machine Learning · Computer Science 2023-06-23 Yining Li , Peizhong Ju , Ness Shroff

Large Reasoning Models (LRMs) with long chain-of-thought reasoning have recently achieved remarkable success. Yet, equipping domain-specialized models with such reasoning capabilities, referred to as "Reasoning + X", remains a significant…

Computation and Language · Computer Science 2026-01-12 Junyao Yang , Chen Qian , Dongrui Liu , Wen Shen , Yong Liu , Jing Shao

To obtain a language model for a target domain (e.g. math), the current paradigm is to pre-train on a vast amount of generic web text and then fine-tune on the relatively limited amount of target data. Typically, generic data is only mixed…

Computation and Language · Computer Science 2026-03-06 Suhas Kotha , Percy Liang

Domain generalization is proposed to address distribution shift, arising from statistical disparities between training source and unseen target domains. The widely used first-order meta-learning algorithms demonstrate strong performance for…

Machine Learning · Computer Science 2025-03-26 Xiran Wang , Jian Zhang , Lei Qi , Yinghuan Shi

Domain generalization (DG) enables generalizing a learning machine from multiple seen source domains to an unseen target one. The general objective of DG methods is to learn semantic representations that are independent of domain labels,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Chaoqi Chen , Luyao Tang , Feng Liu , Gangming Zhao , Yue Huang , Yizhou Yu

Resource allocation in wireless networks, such as device-to-device (D2D) communications, is usually formulated as mixed integer nonlinear programming (MINLP) problems, which are generally NP-hard and difficult to get the optimal solutions.…

Information Theory · Computer Science 2020-12-22 Mengyuan Lee , Guanding Yu , Geoffrey Ye Li

The composition of training data mixtures is critical for effectively training large language models (LLMs), as it directly impacts their performance on downstream tasks. Our goal is to identify an optimal data mixture to specialize an LLM…

Machine Learning · Computer Science 2024-10-04 Simin Fan , David Grangier , Pierre Ablin