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Retrieval-augmented generation (RAG) has proven effective in integrating knowledge into large language models (LLMs). However, conventional RAGs struggle to capture complex relationships between pieces of knowledge, limiting their…

Information Retrieval · Computer Science 2025-12-12 Linhao Luo , Zicheng Zhao , Gholamreza Haffari , Dinh Phung , Chen Gong , Shirui Pan

Gradient temporal-difference (GTD) learning algorithms are widely used for off-policy policy evaluation with function approximation. However, existing convergence analyses rely on the restrictive assumption that the so-called feature…

Machine Learning · Computer Science 2026-05-11 Hyunjun Na , Donghwan Lee

We implement extensions of the partial least squares generalized linear regression (PLSGLR) due to Bastien et al. (2005) through its combination with logistic regression and linear discriminant analysis, to get a partial least squares…

Computation · Statistics 2019-06-20 Adolphus Wagala , Graciela Gonzalez-Farıas , Rogelio Ramos , Oscar Dalmau

Continual Knowledge Graph Embedding (CKGE) aims to efficiently learn new knowledge and simultaneously preserve old knowledge. Dominant approaches primarily focus on alleviating catastrophic forgetting of old knowledge but neglect efficient…

Artificial Intelligence · Computer Science 2024-07-09 Jiajun Liu , Wenjun Ke , Peng Wang , Jiahao Wang , Jinhua Gao , Ziyu Shang , Guozheng Li , Zijie Xu , Ke Ji , Yining Li

Large language models (LLMs) have demonstrated exceptional performance across diverse natural language processing tasks. However, as the model size and the input sequence's length increase, the linearly increasing key-value (KV) cache…

Computation and Language · Computer Science 2025-07-29 Qingyun Jin , Xiaohui Song , Feng Zhou , Zengchang Qin

Modern neural sequence models are designed to meet the dual mandate of parallelizable training and fast sequential inference. Recent developments have given rise to various models, such as Gated Linear Attention (GLA) and Mamba, that…

Machine Learning · Computer Science 2026-03-12 Morris Yau , Sharut Gupta , Valerie Engelmayer , Kazuki Irie , Stefanie Jegelka , Jacob Andreas

Learning to compare two objects are essential in applications, such as digital forensics, face recognition, and brain network analysis, especially when labeled data is scarce and imbalanced. As these applications make high-stake decisions…

Machine Learning · Computer Science 2021-09-16 Chao Chen , Yifan Shen , Guixiang Ma , Xiangnan Kong , Srinivas Rangarajan , Xi Zhang , Sihong Xie

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for Large Language Models (LLMs) to address knowledge-intensive queries requiring domain-specific or up-to-date information. To handle complex multi-hop questions that…

Computation and Language · Computer Science 2026-01-05 Yuxin Wang , Shicheng Fang , Bo Wang , Qi Luo , Xuanjing Huang , Yining Zheng , Xipeng Qiu

We study the common continual learning setup where an overparameterized model is sequentially fitted to a set of jointly realizable tasks. We analyze forgetting, defined as the loss on previously seen tasks, after $k$ iterations. For…

Machine Learning · Computer Science 2026-01-05 Itay Evron , Ran Levinstein , Matan Schliserman , Uri Sherman , Tomer Koren , Daniel Soudry , Nathan Srebro

Recently, a series of works in computer vision have shown promising results on various image and video understanding tasks using self-attention. However, due to the quadratic computational and memory complexities of self-attention, these…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Zhuoran Shen , Irwan Bello , Raviteja Vemulapalli , Xuhui Jia , Ching-Hui Chen

Adaptive optimizers such as Adam (Kingma & Ba, 2015) have been central to the success of large language models. However, they often require to maintain optimizer states throughout training, which can result in memory requirements several…

Machine Learning · Computer Science 2025-02-24 Chao Ma , Wenbo Gong , Meyer Scetbon , Edward Meeds

The optimality of Bayesian filtering relies on the completeness of prior models, while deep learning holds a distinct advantage in learning models from offline data. Nevertheless, the current fusion of these two methodologies remains…

Signal Processing · Electrical Eng. & Systems 2024-03-11 Shi Yan , Yan Liang , Le Zheng , Mingyang Fan , Xiaoxu Wang , Binglu Wang

This paper shows that the Levenberg-Marquardt Algorithms (LMA) algorithms can be merged into the Gauss Newton Filters (GNF) to track difficult, non-linear trajectories, without divergence. The GNF discusssed in this paper is an iterative…

Adaptation and Self-Organizing Systems · Physics 2011-10-25 Roaldje Nadjiasngar , Michael Inggs

Cellular Simultaneous Recurrent Neural Network (SRN) has been shown to be a function approximator more powerful than the MLP. This means that the complexity of MLP would be prohibitively large for some problems while SRN could realize the…

Neural and Evolutionary Computing · Computer Science 2007-10-24 Roman Ilin , Robert Kozma , Paul J. Werbos

We study generalization properties of distributed algorithms in the setting of nonparametric regression over a reproducing kernel Hilbert space (RKHS). We first investigate distributed stochastic gradient methods (SGM), with mini-batches…

Machine Learning · Statistics 2018-11-06 Junhong Lin , Volkan Cevher

To exploit the benefits of massive multiple-input multiple-output (M-MIMO) technology in scenarios where base stations (BSs) need to be cheap and equipped with simple hardware, the computational complexity of classical signal processing…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Victor Croisfelt Rodrigues , Jose Carlos Marinello Filho , Taufik Abrao

Large Language Models (LLMs) are typically static after training, yet real-world applications require continual adaptation to new knowledge without degrading existing capabilities. Standard approaches to updating models, like full…

Machine Learning · Computer Science 2026-04-08 Satyam Goyal , Anirudh Kanchi , Garv Shah , Prakhar Gupta

Similarity metrics such as representational similarity analysis (RSA) and centered kernel alignment (CKA) have been used to compare layer-wise representations between neural networks. However, these metrics are confounded by the population…

Machine Learning · Statistics 2022-02-02 Tianyu Cui , Yogesh Kumar , Pekka Marttinen , Samuel Kaski

Local feature matching remains a fundamental challenge in computer vision. Recent Area to Point Matching (A2PM) methods have improved matching accuracy. However, existing research based on this framework relies on inefficient pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Xiangzeng Liu , Chi Wang , Guanglu Shi , Xiaodong Zhang , Qiguang Miao , Miao Fan

Reasoning-induced vision-language models (VLMs) advance image quality assessment (IQA) with textual reasoning, yet their scalar scores often lack sensitivity and collapse to a few values, so-called discrete collapse. We introduce ME-IQA, a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Kanglong Fan , Tianhe Wu , Wen Wen , Jianzhao Liu , Le Yang , Yabin Zhang , Yiting Liao , Junlin Li , Li Zhang