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Dynamic Text-Attributed Graphs (DyTAGs) are a novel graph paradigm that captures evolving temporal events (edges) alongside rich textual attributes. Existing studies can be broadly categorized into TGNN-driven and LLM-driven approaches,…

Machine Learning · Computer Science 2025-08-04 Yuanyuan Xu , Wenjie Zhang , Ying Zhang , Xuemin Lin , Xiwei Xu

Dynamic Text-Attribute Graphs (DyTAGs), characterized by time-evolving graph interactions and associated text attributes, are prevalent in real-world applications. Existing methods, such as Graph Neural Networks (GNNs) and Large Language…

Computation and Language · Computer Science 2025-09-24 Yunan Wang , Jianxin Li , Ziwei Zhang

Accurately retrieving images that are semantically similar remains a fundamental challenge in computer vision, as traditional methods often fail to capture the relational and contextual nuances of a scene. We introduce PRISm (Pruning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Dimitrios Georgoulopoulos , Nikolaos Chaidos , Angeliki Dimitriou , Giorgos Stamou

Video dataset condensation aims to reduce the immense computational cost of video processing. However, it faces a fundamental challenge regarding the inseparable interdependence between spatial appearance and temporal dynamics. Prior work…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jaehyun Choi , Jiwan Hur , Gyojin Han , Jaemyung Yu , Junmo Kim

Multimodal sentiment analysis (MSA) aims to predict human sentiment from textual, acoustic, and visual information in videos. Recent studies improve multimodal fusion by modeling modality interaction and assigning different modality…

Multimedia · Computer Science 2026-04-08 Chen Su , Yuanhe Tian , Yan Song

Real-life medical data is often multimodal and incomplete, fueling the growing need for advanced deep learning models capable of integrating them efficiently. The use of diverse modalities, including histopathology slides, MRI, and genetic…

Artificial Intelligence · Computer Science 2024-10-02 Lucas Robinet , Ahmad Berjaoui , Ziad Kheil , Elizabeth Cohen-Jonathan Moyal

Multimodal sequential recommendation (MSR) leverages diverse item modalities to improve recommendation accuracy, while achieving effective and adaptive fusion remains challenging. Existing MSR models often overlook synergistic information…

Information Retrieval · Computer Science 2026-01-19 Xinyi Zhang , Yutong Li , Peijie Sun , Letian Sha , Zhongxuan Han

Dynamic graphs are ubiquitous in real-world systems, and building generalizable dynamic Graph Foundation Models has become a frontier in graph learning. However, dynamic graphs from different domains pose fundamental challenges to unified…

Machine Learning · Computer Science 2026-05-14 Haonan Yuan , Qingyun Sun , Junhua Shi , Xingcheng Fu , Jianxin Li , Philip S. Yu

Generative sequence modeling faces a fundamental tension between the expressivity of Transformers and the efficiency of linear sequence models. Existing efficient architectures are theoretically bounded by shallow, single-step linear…

Machine Learning · Computer Science 2026-02-13 Jie Jiang , Ke Cheng , Xin Xu , Mengyang Pang , Tianhao Lu , Jiaheng Li , Yue Liu , Yuan Wang , Jun Zhang , Huan Yu , Zhouchen Lin

Automated interpretability research aims to identify concepts encoded in neural network features to enhance human understanding of model behavior. Within the context of large language models (LLMs) for natural language processing (NLP),…

Machine Learning · Computer Science 2025-11-13 Laura Kopf , Nils Feldhus , Kirill Bykov , Philine Lou Bommer , Anna Hedström , Marina M. -C. Höhne , Oliver Eberle

E-commerce search systems rely on modeling user behavior to estimate item relevance and user preference, which are typically assumed to be stable and independently learnable signals. However, in practice, user interactions are jointly…

Information Retrieval · Computer Science 2026-05-11 Haoqian Zhang , Ziyuan Yang , Yi Zhang

Robotic imitation learning typically requires models that capture multimodal action distributions while operating at real-time control rates and accommodating multiple sensing modalities. Although recent generative approaches such as…

Robotics · Computer Science 2026-02-03 Amisha Bhaskar , Pratap Tokekar , Stefano Di Cairano , Alexander Schperberg

We propose PRISM, a novel framework designed to overcome the limitations of 2D-based Preference-Based Reinforcement Learning (PBRL) by unifying 3D point cloud modeling and future-aware preference refinement. At its core, PRISM adopts a 3D…

Computation and Language · Computer Science 2025-03-20 Yirong Sun , Yanjun Chen

In this study, we introduce a novel framework called Toast for learning general-purpose representations of road networks, along with its advanced counterpart DyToast, designed to enhance the integration of temporal dynamics to boost the…

Machine Learning · Computer Science 2024-03-19 Yile Chen , Xiucheng Li , Gao Cong , Zhifeng Bao , Cheng Long

While Hybrid Supervised Fine-Tuning (SFT) followed by Reinforcement Learning (RL) has become the standard paradigm for training LLM agents, effective mechanisms for data allocation between these stages remain largely underexplored. Current…

Artificial Intelligence · Computer Science 2026-04-14 Yang Zhao , Yangou Ouyang , Xiao Ding , Hepeng Wang , Bibo Cai , Kai Xiong , Jinglong Gao , Zhouhao Sun , Li Du , Bing Qin , Ting Liu

Accurately forecasting GPU workloads is essential for AI infrastructure, enabling efficient scheduling, resource allocation, and power management. Modern workloads are highly volatile, multiple periodicity, and heterogeneous, making them…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-27 Xin Wu , Fei Teng , Xingwang Li , Bin Zheng , Qiang Duan

Scene graphs have emerged as accurate descriptive priors for image generation and manipulation tasks, however, their complexity and diversity of the shapes and relations of objects in data make it challenging to incorporate them into the…

Machine Learning · Computer Science 2023-11-07 Pavel Jahoda , Azade Farshad , Yousef Yeganeh , Ehsan Adeli , Nassir Navab

Unsupervised large-scale vision-language pre-training has shown promising advances on various downstream tasks. Existing methods often model the cross-modal interaction either via the similarity of the global feature of each modality which…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Lewei Yao , Runhui Huang , Lu Hou , Guansong Lu , Minzhe Niu , Hang Xu , Xiaodan Liang , Zhenguo Li , Xin Jiang , Chunjing Xu

Human communication is multimodal in nature; it is through multiple modalities such as language, voice, and facial expressions, that opinions and emotions are expressed. Data in this domain exhibits complex multi-relational and temporal…

Computation and Language · Computer Science 2021-04-30 Jianing Yang , Yongxin Wang , Ruitao Yi , Yuying Zhu , Azaan Rehman , Amir Zadeh , Soujanya Poria , Louis-Philippe Morency

We introduce PRISM (Predictive Reasoning in Sequential Medicine), a transformer-based architecture designed to model the sequential progression of clinical decision-making processes. Unlike traditional approaches that rely on isolated…

Computation and Language · Computer Science 2025-06-16 Lionel Levine , John Santerre , Alex S. Young , T. Barry Levine , Francis Campion , Majid Sarrafzadeh
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