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While LLMs have demonstrated remarkable potential in time series forecasting, their practical deployment remains constrained by excessive computational demands and memory footprints. Existing LLM-based approaches typically suffer from three…

Computation and Language · Computer Science 2025-03-11 Haoran Fan , Bin Li , Yixuan Weng , Shoujun Zhou

Large Language Models (LLMs) are known for their expensive and time-consuming training. Thus, oftentimes, LLMs are fine-tuned to address a specific task, given the pretrained weights of a pre-trained LLM considered a foundation model. In…

Computation and Language · Computer Science 2025-12-05 Eshed Gal , Moshe Eliasof , Javier Turek , Uri Ascher , Eran Treister , Eldad Haber

Recent advances in large language model (LLM) pretraining have led to high-quality LLMs with impressive abilities. By compressing such LLMs via quantization to 3-4 bits per parameter, they can fit into memory-limited devices such as laptops…

Large Language Models (LLMs) offer strong capabilities but incur high inference costs due to dense computation and memory access. Training-free activation sparsity is a promising approach for efficient LLM inference, yet existing methods…

Machine Learning · Computer Science 2026-02-17 Lei Chen , Yuan Meng , Xiaoyu Zhan , Zhi Wang , Wenwu Zhu

As large language models (LLMs) continue to scale up, their performance on various downstream tasks has significantly improved. However, evaluating their capabilities has become increasingly expensive, as performing inference on a large…

Computation and Language · Computer Science 2026-02-10 Taolin Zhang , Hang Guo , Wang Lu , Tao Dai , Shu-Tao Xia , Jindong Wang

Large language models (LLMs) have demonstrated remarkable performance across a wide range of language processing tasks. However, this success comes at the cost of substantial computation and memory requirements, which significantly impedes…

Machine Learning · Computer Science 2026-01-21 Fen-Yu Hsieh , Yun-Chang Teng , Ding-Yong Hong , Jan-Jan Wu

Although large vision-language models (LVLMs) have demonstrated impressive capabilities in multi-modal understanding and reasoning, their practical applications are still limited by massive model parameters and high computational costs.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Ji Ma , Wei Suo , Peng Wang , Yanning Zhang

The rapid development of 3D technology and computer vision applications have motivated a thrust of methodologies for depth acquisition and estimation. However, most existing hardware and software methods have limited performance due to poor…

Computer Vision and Pattern Recognition · Computer Science 2015-02-13 Lee-Kang Liu , Stanley H. Chan , Truong Q. Nguyen

The sparse dictionary coding framework represents signals as a linear combination of a few predefined dictionary atoms. It has been employed for images, time series, graph signals and recently for 2-way (or 2D) spatio-temporal data…

Machine Learning · Computer Science 2024-06-12 Boya Ma , Maxwell McNeil , Abram Magner , Petko Bogdanov

Matching Pursuit LASSIn Part I \cite{TanPMLPart1}, a Matching Pursuit LASSO ({MPL}) algorithm has been presented for solving large-scale sparse recovery (SR) problems. In this paper, we present a subspace search to further improve the…

Computer Vision and Pattern Recognition · Computer Science 2014-12-25 Mingkui Tan , Ivor W. Tsang , Li Wang

Large Language Models (LLMs) are reshaping the research landscape in artificial intelligence, particularly as model parameters scale up significantly, unlocking remarkable capabilities across various domains. Nevertheless, the scalability…

Computation and Language · Computer Science 2025-02-25 Runyu Peng , Yunhua Zhou , Qipeng Guo , Yang Gao , Hang Yan , Xipeng Qiu , Dahua Lin

Learned sparse retrieval (LSR) is a family of first-stage retrieval methods that are trained to generate sparse lexical representations of queries and documents for use with an inverted index. Many LSR methods have been recently introduced,…

Information Retrieval · Computer Science 2023-03-28 Thong Nguyen , Sean MacAvaney , Andrew Yates

Multimodal large language models (MLLMs) achieve strong performance by jointly processing inputs from multiple modalities, such as vision, audio, and language. However, building such models or extending them to new modalities often requires…

Machine Learning · Computer Science 2026-03-24 Md Kaykobad Reza , Ameya Patil , Edward Ayrapetian , M. Salman Asif

Fueled by their remarkable ability to tackle diverse tasks across multiple domains, large language models (LLMs) have grown at an unprecedented rate, with some recent models containing trillions of parameters. This growth is accompanied by…

Machine Learning · Computer Science 2025-05-30 Athanasios Glentis , Jiaxiang Li , Qiulin Shang , Andi Han , Ioannis Tsaknakis , Quan Wei , Mingyi Hong

Despite their remarkable achievements, modern Large Language Models (LLMs) face exorbitant computational and memory footprints. Recently, several works have shown significant success in training-free and data-free compression (pruning and…

Computation and Language · Computer Science 2024-03-19 Ajay Jaiswal , Zhe Gan , Xianzhi Du , Bowen Zhang , Zhangyang Wang , Yinfei Yang

Diffusion large language models (dLLMs), which offer bidirectional context and flexible masked-denoising generation, are emerging as a compelling alternative to autoregressive (AR) LLMs. However, like AR LLMs, their model sizes continue to…

Machine Learning · Computer Science 2025-10-07 Tianao Zhang , Zhiteng Li , Xianglong Yan , Haotong Qin , Yong Guo , Yulun Zhang

This paper focuses studies the following low rank + sparse (LR+S) column-wise compressive sensing problem. We aim to recover an $n \times q$ matrix, $\X^* =[ \x_1^*, \x_2^*, \cdots , \x_q^*]$ from $m$ independent linear projections of each…

Image and Video Processing · Electrical Eng. & Systems 2023-11-08 Silpa Babu , Namrata Vaswani

Large language model (LLM) based listwise reranking has emerged as the dominant paradigm for achieving state-of-the-art ranking effectiveness in information retrieval. However, its reliance on feeding full passage texts into the LLM…

Information Retrieval · Computer Science 2026-04-27 Xiaojie Ke , Shuai Zhang , Liansheng Sun , Yongjin Wang , Hengjun Jiang , Xiangkun Liu , Cunxin Gu , Jian Xu , Guanjun Jiang

Large language models (LLMs) are expensive to deploy. Parameter sharing offers a possible path towards reducing their size and cost, but its effectiveness in modern LLMs remains fairly limited. In this work, we revisit "layer tying" as form…

Computation and Language · Computer Science 2025-03-03 Sangmin Bae , Adam Fisch , Hrayr Harutyunyan , Ziwei Ji , Seungyeon Kim , Tal Schuster

We propose LSDAT, an image-agnostic decision-based black-box attack that exploits low-rank and sparse decomposition (LSD) to dramatically reduce the number of queries and achieve superior fooling rates compared to the state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Ashkan Esmaeili , Marzieh Edraki , Nazanin Rahnavard , Mubarak Shah , Ajmal Mian
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