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Entity alignment (EA) aims to merge two knowledge graphs (KGs) by identifying equivalent entity pairs. Existing methods can be categorized into symbolic and neural models. Symbolic models, while precise, struggle with substructure…

人工智能 · 计算机科学 2025-09-30 Shengyuan Chen , Zheng Yuan , Qinggang Zhang , Wen Hua , Jiannong Cao , Xiao Huang

In multimodal graph learning, graph structures that integrate information from multiple sources, such as vision and text, can more comprehensively model complex entity relationships. However, the continuous growth of their data scale poses…

机器学习 · 计算机科学 2026-02-10 Lian Shen , Zhendan Chen , Meijia Song , Yinhui jiang , Ziming Su , Juan Liu , Xiangrong Liu

Multi-entity question answering (MEQA) represents significant challenges for large language models (LLM) and retrieval-augmented generation (RAG) systems, which frequently struggle to consolidate scattered information across diverse…

计算与语言 · 计算机科学 2025-09-25 Teng Lin , Yuyu Luo , Honglin Zhang , Jicheng Zhang , Chunlin Liu , Kaishun Wu , Nan Tang

Previous multimodal sentence representation learning methods have achieved impressive performance. However, most approaches focus on aligning images and text at a coarse level, facing two critical challenges:cross-modal misalignment bias…

计算与语言 · 计算机科学 2025-07-02 Kang He , Yuzhe Ding , Haining Wang , Fei Li , Chong Teng , Donghong Ji

Current unsupervised domain adaptation (UDA) methods for semantic segmentation typically assume identical class labels between the source and target domains. This assumption ignores the label-level domain gap, which is common in real-world…

计算机视觉与模式识别 · 计算机科学 2025-01-29 Han Sun , Rui Gong , Ismail Nejjar , Olga Fink

Decoding neural visual representations from electroencephalogram (EEG)-based brain activity is crucial for advancing brain-machine interfaces (BMI) and has transformative potential for neural sensory rehabilitation. While multimodal…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yueyang Li , Zijian Kang , Shengyu Gong , Wenhao Dong , Weiming Zeng , Hongjie Yan , Wai Ting Siok , Nizhuan Wang

Multimodal representation learning aims to construct a shared embedding space in which heterogeneous modalities are semantically aligned. Despite strong empirical results, InfoNCE-based objectives introduce inherent conflicts that yield…

机器学习 · 计算机科学 2026-02-11 Wenzhe Yin , Pan Zhou , Zehao Xiao , Jie Liu , Shujian Yu , Jan-Jakob Sonke , Efstratios Gavves

Multi-table entity matching (MEM) addresses the limitations of dual-table approaches by enabling simultaneous identification of equivalent entities across multiple data sources without unique identifiers. However, existing methods relying…

计算与语言 · 计算机科学 2026-04-24 Yingkai Tang , Taoyu Su , Wenyuan Zhang , Xiaoyang Guo , Tingwen Liu

Multimodal learning systems often face substantial uncertainty due to noisy data, low-quality labels, and heterogeneous modality characteristics. These issues become especially critical in human-computer interaction settings, where data…

人工智能 · 计算机科学 2025-11-21 Hyo-Jeong Jang

Entity alignment, which is a prerequisite for creating a more comprehensive Knowledge Graph (KG), involves pinpointing equivalent entities across disparate KGs. Contemporary methods for entity alignment have predominantly utilized knowledge…

计算与语言 · 计算机科学 2024-01-31 Linyao Yang , Hongyang Chen , Xiao Wang , Jing Yang , Fei-Yue Wang , Han Liu

MultiModal Recommendation (MMR) systems have emerged as a promising solution for improving recommendation quality by leveraging rich item-side modality information, prompting a surge of diverse methods. Despite these advances, existing…

信息检索 · 计算机科学 2025-08-25 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Yongjie Wang , Dusit Niyato , Zhiqi Shen

Multimodal Sentiment Analysis aims to integrate information from various modalities, such as audio, visual, and text, to make complementary predictions. However, it often struggles with irrelevant or misleading visual and auditory…

机器学习 · 计算机科学 2026-01-19 Xingle Xu , Yongkang Liu , Dexian Cai , Shi Feng , Xiaocui Yang , Daling Wang , Yifei Zhang

Multimodal graphs are gaining increasing attention due to their rich representational power and wide applicability, yet they introduce substantial challenges arising from severe modality confusion. To address this issue, we propose NSG…

机器学习 · 计算机科学 2026-02-03 Yihan Zhang , Ercan E. Kuruoglu

Intelligent fault diagnosis has become an indispensable technique for ensuring machinery reliability. However, existing methods suffer significant performance decline in real-world scenarios where models are tested under unseen working…

人工智能 · 计算机科学 2026-01-01 Pengcheng Xia , Yixiang Huang , Chengjin Qin , Chengliang Liu

Learning high-quality multi-modal entity representations is an important goal of multi-modal knowledge graph (MMKG) representation learning, which can enhance reasoning tasks within the MMKGs, such as MMKG completion (MMKGC). The main…

人工智能 · 计算机科学 2025-04-08 Yichi Zhang , Zhuo Chen , Lingbing Guo , Yajing Xu , Binbin Hu , Ziqi Liu , Wen Zhang , Huajun Chen

While multi-modal models have successfully integrated information from image, video, and audio modalities, integrating graph modality into large language models (LLMs) remains unexplored. This discrepancy largely stems from the inherent…

计算与语言 · 计算机科学 2023-10-13 Yuanchun Shen , Ruotong Liao , Zhen Han , Yunpu Ma , Volker Tresp

Unified Multimodal Generative Models (UMGMs) unify visual understanding and image generation within a single autoregressive framework. However, their ability to continually learn new tasks is severely hindered by catastrophic forgetting,…

机器学习 · 计算机科学 2025-12-04 Xiwen Wei , Mustafa Munir , Radu Marculescu

The missing modality problem poses a fundamental challenge in multimodal sentiment analysis, significantly degrading model accuracy and generalization in real world scenarios. Existing approaches primarily improve robustness through prompt…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Rongfei Chen , Tingting Zhang , Xiaoyu Shen , Wei Zhang

While Dirichlet energy serves as a prevalent metric for quantifying over-smoothing, it is inherently restricted to capturing first-order feature derivatives. To address this limitation, we propose a generalized family of node similarity…

机器学习 · 计算机科学 2025-12-09 Weiqi Guan , Zihao Shi

In multimodal sentiment analysis, collecting text data is often more challenging than video or audio due to higher annotation costs and inconsistent automatic speech recognition (ASR) quality. To address this challenge, our study has…

计算与语言 · 计算机科学 2025-03-25 Yuzhe Weng , Haotian Wang , Tian Gao , Kewei Li , Shutong Niu , Jun Du