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Learning representations of multimodal data that are both informative and robust to missing modalities at test time remains a challenging problem due to the inherent heterogeneity of data obtained from different channels. To address it, we…

机器学习 · 计算机科学 2022-11-21 Petra Poklukar , Miguel Vasco , Hang Yin , Francisco S. Melo , Ana Paiva , Danica Kragic

In the era of big data, data mining has become indispensable for uncovering hidden patterns and insights from vast and complex datasets. The integration of multimodal data sources further enhances its potential. Multimodal Federated…

机器学习 · 计算机科学 2025-08-22 Lishan Yang , Wei Emma Zhang , Quan Z. Sheng , Lina Yao , Weitong Chen , Ali Shakeri

Knowledge graph completion (KGC) aims to discover missing relationships between entities in knowledge graphs (KGs). Most prior KGC work focuses on learning embeddings for entities and relations through a simple scoring function. Yet, a…

人工智能 · 计算机科学 2023-07-13 Yun-Cheng Wang , Xiou Ge , Bin Wang , C. -C. Jay Kuo

In the contemporary age characterized by information abundance, rapid advancements in artificial intelligence have rendered recommendation systems indispensable. Conventional recommendation methodologies based on collaborative filtering or…

信息检索 · 计算机科学 2025-09-04 Yu Fang

To solve the inherent incompleteness of knowledge graphs (KGs), numbers of knowledge graph completion (KGC) models have been proposed to predict missing links from known triples. Among those, several works have achieved more advanced…

人工智能 · 计算机科学 2023-06-21 Jining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Multi-modal entity alignment aims to identify equivalent entities between two different multi-modal knowledge graphs, which consist of structural triples and images associated with entities. Most previous works focus on how to utilize and…

计算与语言 · 计算机科学 2022-09-05 Zhenxi Lin , Ziheng Zhang , Meng Wang , Yinghui Shi , Xian Wu , Yefeng Zheng

Knowledge graph (KG) alignment and completion are usually treated as two independent tasks. While recent work has leveraged entity and relation alignments from multiple KGs, such as alignments between multilingual KGs with common entities…

计算与语言 · 计算机科学 2022-10-19 Vinh Tong , Dat Quoc Nguyen , Trung Thanh Huynh , Tam Thanh Nguyen , Quoc Viet Hung Nguyen , Mathias Niepert

Multi-Modal Entity Alignment (MMEA) is a critical task that aims to identify equivalent entity pairs across multi-modal knowledge graphs (MMKGs). However, this task faces challenges due to the presence of different types of information,…

计算与语言 · 计算机科学 2023-10-11 Qian Li , Cheng Ji , Shu Guo , Zhaoji Liang , Lihong Wang , Jianxin Li

Knowledge Graphs (KGs) play a pivotal role in advancing various AI applications, with the semantic web community's exploration into multi-modal dimensions unlocking new avenues for innovation. In this survey, we carefully review over 300…

Knowledge graph is a popular format for representing knowledge, with many applications to semantic search engines, question-answering systems, and recommender systems. Real-world knowledge graphs are usually incomplete, so knowledge graph…

机器学习 · 计算机科学 2023-04-26 Hung Nghiep Tran , Atsuhiro Takasu

Knowledge graph completion (KGC) aims to reason over known facts and infer the missing links. Text-based methods such as KGBERT (Yao et al., 2019) learn entity representations from natural language descriptions, and have the potential for…

计算与语言 · 计算机科学 2022-03-07 Liang Wang , Wei Zhao , Zhuoyu Wei , Jingming Liu

Knowledge graph completion (KGC) aims to discover missing relations of query entities. Current text-based models utilize the entity name and description to infer the tail entity given the head entity and a certain relation. Existing…

计算与语言 · 计算机科学 2023-10-20 Irene Li , Boming Yang

In modern e-commerce, item content features in various modalities offer accurate yet comprehensive information to recommender systems. The majority of previous work either focuses on learning effective item representation during modelling…

信息检索 · 计算机科学 2024-08-15 Hao Wu , Alejandro Ariza-Casabona , Bartłomiej Twardowski , Tri Kurniawan Wijaya

Developing effective path representations has become increasingly essential across various fields within intelligent transportation. Although pre-trained path representation learning models have shown improved performance, they…

机器学习 · 计算机科学 2025-01-03 Ronghui Xu , Hanyin Cheng , Chenjuan Guo , Hongfan Gao , Jilin Hu , Sean Bin Yang , Bin Yang

Multimodal recommender systems (MMRSs) enhance collaborative filtering by leveraging item-side modalities, but their reliance on a fixed set of modalities and task-specific objectives limits both modality extensibility and task…

信息检索 · 计算机科学 2026-02-25 Jiwoo Kang , Yeon-Chang Lee

Current Multimodal Knowledge Graph Construction (MKGC) models struggle with the real-world dynamism of continuously emerging entities and relations, often succumbing to catastrophic forgetting-loss of previously acquired knowledge. This…

计算与语言 · 计算机科学 2024-05-28 Xiang Chen , Jintian Zhang , Xiaohan Wang , Ningyu Zhang , Tongtong Wu , Yuxiang Wang , Yongheng Wang , Huajun Chen

Commonsense knowledge graph (CKG) is a special type of knowledge graph (KG), where entities are composed of free-form text. However, most existing CKG completion methods focus on the setting where all the entities are presented at training…

人工智能 · 计算机科学 2021-02-19 Bin Wang , Guangtao Wang , Jing Huang , Jiaxuan You , Jure Leskovec , C. -C. Jay Kuo

Large language models (LLMs) based Multilingual Knowledge Graph Completion (MKGC) aim to predict missing facts by leveraging LLMs' multilingual understanding capabilities, improving the completeness of multilingual knowledge graphs (KGs).…

计算与语言 · 计算机科学 2025-10-10 Cunli Mao , Xiaofei Gao , Ran Song , Shizhu He , Shengxiang Gao , Kang Liu , Zhengtao Yu

Biomedical Knowledge Graphs (BKGs) integrate diverse datasets to elucidate complex relationships within the biomedical field. Effective link prediction on these graphs can uncover valuable connections, such as potential novel drug-disease…

计算与语言 · 计算机科学 2025-07-01 Tien Dang , Viet Thanh Duy Nguyen , Minh Tuan Le , Truong-Son Hy

Multimodal information processing has become increasingly important for enhancing image classification performance. However, the intricate and implicit dependencies across different modalities often hinder conventional methods from…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Yang Qiao , Xiaoyu Zhong , Xiaofeng Gu , Zhiguo Yu