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Recently, with the emergence of recent Multimodal Large Language Model (MLLM) technology, it has become possible to exploit its video understanding capability on different classification tasks. In practice, we face the difficulty of huge…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Xin Dong , Sen Jia , Ming Rui Wang , Yan Li , Zhenheng Yang , Bingfeng Deng , Hongyu Xiong

Large Language Models excel in generative tasks but exhibit inefficiencies in structured text selection, particularly in extractive question answering. This challenge is magnified in resource-constrained environments, where deploying…

Computation and Language · Computer Science 2026-05-29 Yannis Montreuil , Shu Heng Yeo , Axel Carlier , Lai Xing Ng , Wei Tsang Ooi

Composed Video Retrieval (CoVR) facilitates video retrieval by combining visual and textual queries. However, existing CoVR frameworks typically fuse multimodal inputs in a single stage, achieving only marginal gains over initial baseline.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Yuqian Zheng , Mariana-Iuliana Georgescu

Multi-vehicle pursuit (MVP) such as autonomous police vehicles pursuing suspects is important but very challenging due to its mission and safety critical nature. While multi-agent reinforcement learning (MARL) algorithms have been proposed…

Artificial Intelligence · Computer Science 2023-06-09 Xinhang Li , Yiying Yang , Zheng Yuan , Zhe Wang , Qinwen Wang , Chen Xu , Lei Li , Jianhua He , Lin Zhang

Retrieval-augmented generation (RAG) with large language models (LLMs) plays a crucial role in question answering, as LLMs possess limited knowledge and are not updated with continuously growing information. Most recent work on RAG has…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Shichao Kan , Yuhai Deng , Jiale Fu , Lihui Cen , Zhe Qu , Linna Zhang , Yixiong Liang , Yigang Cen

Multi-modal Retrieval-Augmented Generation (RAG) has emerged as a highly effective paradigm for Knowledge-Based Visual Question Answering (KB-VQA). Despite recent advancements, prevailing methods still primarily depend on images as the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Yingjian Zhu , Xinming Wang , Kun Ding , Ying Wang , Bin Fan , Shiming Xiang

Quality-Diversity (QD) algorithms have shown remarkable success in discovering diverse, high-performing solutions, but rely heavily on hand-crafted behavioral descriptors that constrain exploration to predefined notions of diversity.…

Machine Learning · Computer Science 2026-03-05 Saeed Hedayatian , Stefanos Nikolaidis

Despite the remarkable performance of multimodal large language models (MLLMs) across diverse tasks, the substantial training and inference costs impede their advancement. In this paper, we propose p-MoD, an efficient MLLM architecture that…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Jun Zhang , Desen Meng , Zhengming Zhang , Zhenpeng Huang , Tao Wu , Limin Wang

Vision-Language Models (VLMs) achieve outstanding performance, yet their huge model size severely hinders deployment on edge devices with limited resources. As an efficient model compression technique, vector quantization (VQ) excels in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhong Wang , Zukang Xu , Xing Hu , Dawei Yang

Data-driven decompositions are becoming essential tools in fluid dynamics, allowing for tracking the evolution of coherent patterns in large datasets, and for constructing low order models of complex phenomena. In this work, we analyze the…

Fluid Dynamics · Physics 2020-04-15 M. A. Mendez , M. Balabane , J. -M. Buchlin

We introduce Variational Latent Mode Decomposition (VLMD), a new algorithm for extracting oscillatory modes and associated connectivity structures from multivariate signals. VLMD addresses key limitations of existing Multivariate Mode…

Machine Learning · Computer Science 2025-05-26 Manuel Morante , Naveed ur Rehman

Query optimizers in RDBMSs search for execution plans expected to be optimal for given queries. They use parameter estimates, often inaccurate, and make assumptions that may not hold in practice. Consequently, they may select plans that are…

Databases · Computer Science 2025-05-27 Amin Kamali , Verena Kantere , Calisto Zuzarte , Vincent Corvinelli

Given the growing trend of many organizations integrating Retrieval Augmented Generation (RAG) into their operations, we assess RAG on domain-specific data and test state-of-the-art models across various optimization techniques. We…

Artificial Intelligence · Computer Science 2024-11-14 Anum Afzal , Juraj Vladika , Gentrit Fazlija , Andrei Staradubets , Florian Matthes

Dense retrievers enhance retrieval by encoding queries and documents into continuous vectors, but they often struggle with reasoning-intensive queries. Although Large Language Models (LLMs) can reformulate queries to capture complex…

Information Retrieval · Computer Science 2025-10-29 Yichi Zhang , Jun Bai , Zhixin Cai , Shuhan Qin , Zhuofan Chen , Jinghua Guan , Wenge Rong

Domain-specific quantitative reasoning remains a major challenge for large language models (LLMs), especially in fields requiring expert knowledge and complex question answering (QA). In this work, we propose Expert Question Decomposition…

Computation and Language · Computer Science 2025-10-03 Mengyu Wang , Sotirios Sabanis , Miguel de Carvalho , Shay B. Cohen , Tiejun Ma

Generative models with discrete latent representations have recently demonstrated an impressive ability to learn complex high-dimensional data distributions. However, their performance relies on a long sequence of tokens per instance and a…

Machine Learning · Computer Science 2024-03-26 David D. Nguyen , David Leibowitz , Surya Nepal , Salil S. Kanhere

Large language models (LLMs) rely on key-value cache (KV cache) to accelerate decoding by reducing redundant computations. However, the KV cache memory usage grows substantially with longer text sequences, posing challenges for efficient…

Computation and Language · Computer Science 2025-11-18 Yixuan Wang , Shiyu Ji , Yijun Liu , Yuzhuang Xu , Yang Xu , Qingfu Zhu , Wanxiang Che

Vision-Language Models (VLMs) excel at visual reasoning but still struggle with integrating external knowledge. Retrieval-Augmented Generation (RAG) is a promising solution, but current methods remain inefficient and often fail to maintain…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Gen Li , Peiyu Liu

In the field of deep learning, traditional attention mechanisms face significant challenges related to high computational complexity and large memory consumption when processing long sequence data. To address these limitations, we propose…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-11 Jie Kong , Junxiang Zhang , Jiheng Xu , Yalong Li , Shouhua Zhang , Jiehan Zhou , Yuhai Liu , Peng Liang , Quan Zhang , Luohan Jiang

Structural decomposition methods offer powerful theoretical guarantees for join evaluation, yet they are rarely used in real-world query optimizers. A major reason is the difficulty of combining cost-based plan search and structure-based…

Databases · Computer Science 2026-03-17 Zhekai Jiang , Qichen Wang , Christoph Koch