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Conventional multi-label classification (MLC) methods assume that all samples are fully labeled and identically distributed. Unfortunately, this assumption is unrealistic in large-scale MLC data that has long-tailed (LT) distribution and…

机器学习 · 计算机科学 2023-04-24 Wenqiao Zhang , Changshuo Liu , Lingze Zeng , Beng Chin Ooi , Siliang Tang , Yueting Zhuang

While large language models (LLMs) have demonstrated remarkable capabilities in language modeling, recent studies reveal that they often fail on out-of-distribution (OOD) samples due to spurious correlations acquired during pre-training.…

机器学习 · 计算机科学 2025-06-12 Shurui Gui , Shuiwang Ji

There is a family of label modification approaches including self and non-self label correction (LC), and output regularisation. They are widely used for training robust deep neural networks (DNNs), but have not been mathematically and…

机器学习 · 计算机科学 2022-09-07 Xinshao Wang , Yang Hua , Elyor Kodirov , Sankha Subhra Mukherjee , David A. Clifton , Neil M. Robertson

Learning Rate (LR) is an important hyper-parameter to tune for effective training of deep neural networks (DNNs). Even for the baseline of a constant learning rate, it is non-trivial to choose a good constant value for training a DNN.…

机器学习 · 计算机科学 2019-10-29 Yanzhao Wu , Ling Liu , Juhyun Bae , Ka-Ho Chow , Arun Iyengar , Calton Pu , Wenqi Wei , Lei Yu , Qi Zhang

We consider the continual representation learning setting: sequentially pretrain a model $M'$ on tasks $T_1, \ldots, T_T$, and then adapt $M'$ on a small amount of data from each task $T_i$ to check if it has forgotten information from old…

机器学习 · 计算机科学 2023-02-28 Michael Sun , Ananya Kumar , Divyam Madaan , Percy Liang

Continual learning (CL) is the sub-field of machine learning concerned with accumulating knowledge in dynamic environments. So far, CL research has mainly focused on incremental classification tasks, where models learn to classify new…

Training high-performing Small Language Models (SLMs) remains costly, even with knowledge distillation and pruning from larger teacher models. Existing work often faces three key challenges: (1) information loss from hard pruning, (2)…

计算与语言 · 计算机科学 2025-12-19 Jitai Hao , Qiang Huang , Hao Liu , Xinyan Xiao , Zhaochun Ren , Jun Yu

Large language models (LLMs) have demonstrated impressive reasoning abilities across a wide range of tasks, but data contamination undermines the objective evaluation of these capabilities. This problem is further exacerbated by malicious…

机器学习 · 计算机科学 2026-05-22 Yifan Lan , Yuanpu Cao , Hanyu Wang , Lu Lin , Jinghui Chen

Continual learning for large language models is typically evaluated through accuracy retention under sequential fine-tuning. We argue that this perspective is incomplete, because uncertainty reliability can degrade earlier and more sharply…

机器学习 · 计算机科学 2026-04-28 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Temporal action detection (TAD) is challenging, yet fundamental for real-world video applications. Recently, DETR-based models for TAD have been prevailing thanks to their unique benefits. However, transformers demand a huge dataset, and…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Jihwan Kim , Miso Lee , Jae-Pil Heo

Recently, the use of bio-inspired learning techniques such as Hebbian learning and its closely-related Spike-Timing-Dependent Plasticity (STDP) variant have drawn significant attention for the design of compute-efficient AI systems that can…

神经与进化计算 · 计算机科学 2024-11-19 Ali Safa

Continual Learning (CL) aims to sequentially train models on streams of incoming data that vary in distribution by preserving previous knowledge while adapting to new data. Current CL literature focuses on restricted access to previously…

Progress on training and architecture strategies has enabled LLMs with millions of tokens in context length. However, empirical evidence suggests that such long-context LLMs can consume far more text than they can reliably use. On the other…

Due to the continuous emergence of new data, version updates have become an indispensable requirement for Large Language Models (LLMs). The training paradigms for version updates of LLMs include pre-training from scratch (PTFS) and…

计算与语言 · 计算机科学 2024-10-08 Zhihao Wang , Shiyu Liu , Jianheng Huang , Zheng Wang , Yixuan Liao , Xiaoxin Chen , Junfeng Yao , Jinsong Su

Traditional Large Language Model (LLM) pretraining relies on autoregressive language modeling with randomly sampled data from web-scale datasets. Inspired by human learning techniques like spaced repetition, we hypothesize that random…

计算与语言 · 计算机科学 2025-01-30 Neha Prakriya , Jui-Nan Yen , Cho-Jui Hsieh , Jason Cong

Transformer-based large language models (LLMs) have achieved remarkable success, yet their standard attention mechanism incurs quadratic computation and memory costs with respect to sequence length, posing a major bottleneck for…

机器学习 · 计算机科学 2025-10-22 Tao Bu , Qiangang Wang , Bowen Zeng , Hanwen Sun , Yunpeng Huang , Chun Cao , Jingwei Xu

Due to the scarcity of high-quality data, large language models (LLMs) are often trained on mixtures of data with varying quality levels, even after sophisticated data curation. A natural approach to better leverage high-quality data is…

机器学习 · 计算机科学 2026-05-15 Kairong Luo , Zhenbo Sun , Haodong Wen , Xinyu Shi , Jiarui Cui , Chenyi Dang , Kaifeng Lyu , Wenguang Chen

Continual learning (CL) aims to incrementally learn different tasks (such as classification) in a non-stationary data stream without forgetting old ones. Most CL works focus on tackling catastrophic forgetting under a learning-from-scratch…

机器学习 · 计算机科学 2024-01-17 Mark D. McDonnell , Dong Gong , Amin Parveneh , Ehsan Abbasnejad , Anton van den Hengel

Machine learning models achieve state-of-the-art performance on many supervised learning tasks. However, prior evidence suggests that these models may learn to rely on shortcut biases or spurious correlations (intuitively, correlations that…

机器学习 · 计算机科学 2021-08-31 Sindhu C. M. Gowda , Shalmali Joshi , Haoran Zhang , Marzyeh Ghassemi

Learning-based control has attracted significant attention in recent years, especially for plants that are difficult to model based on first-principles. A key issue in learning-based control is how to make efficient use of data as the…

系统与控制 · 电气工程与系统科学 2025-08-05 Kaikai Zheng , Dawei Shi , Sandra Hirche , Yang Shi