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Multimodal reasoning with large language models (LLMs) often suffers from hallucinations and the presence of deficient or outdated knowledge within LLMs. Some approaches have sought to mitigate these issues by employing textual knowledge…

Computation and Language · Computer Science 2024-06-06 Junlin Lee , Yequan Wang , Jing Li , Min Zhang

Most researches for knowledge graph completion learn representations of entities and relations to predict missing links in incomplete knowledge graphs. However, these methods fail to take full advantage of both the contextual information of…

Computation and Language · Computer Science 2020-12-15 Ziyue Qiao , Zhiyuan Ning , Yi Du , Yuanchun Zhou

Knowledge graphs (KGs) store rich facts about the real world. In this paper, we study KG alignment, which aims to find alignment between not only entities but also relations and classes in different KGs. Alignment at the entity level can…

Databases · Computer Science 2023-06-21 Jiacheng Huang , Zequn Sun , Qijin Chen , Xiaozhou Xu , Weijun Ren , Wei Hu

Knowledge graph embedding, which projects symbolic entities and relations into continuous vector spaces, is gaining increasing attention. Previous methods allow a single static embedding for each entity or relation, ignoring their intrinsic…

Artificial Intelligence · Computer Science 2020-04-07 Quan Wang , Pingping Huang , Haifeng Wang , Songtai Dai , Wenbin Jiang , Jing Liu , Yajuan Lyu , Yong Zhu , Hua Wu

Entity alignment (EA) aims to find equivalent entities in different knowledge graphs (KGs). State-of-the-art EA approaches generally use Graph Neural Networks (GNNs) to encode entities. However, most of them train the models and evaluate…

Computation and Language · Computer Science 2023-04-17 Junyang Wu , Tianyi Li , Lu Chen , Yunjun Gao , Ziheng Wei

Temporal knowledge graph (TKG) reasoning aims to predict the future missing facts based on historical information and has gained increasing research interest recently. Lots of works have been made to model the historical structural and…

Artificial Intelligence · Computer Science 2023-04-26 Hao Dong , Zhiyuan Ning , Pengyang Wang , Ziyue Qiao , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

Knowledge graph embedding (KGE) models represent each entity and relation of a knowledge graph (KG) with low-dimensional embedding vectors. These methods have recently been applied to KG link prediction and question answering over…

Computation and Language · Computer Science 2022-03-22 Apoorv Saxena , Adrian Kochsiek , Rainer Gemulla

Entity alignment (EA) aims to identify entities referring to the same real-world object across different knowledge graphs (KGs). Recent approaches based on large language models (LLMs) typically obtain entity embeddings through knowledge…

Computation and Language · Computer Science 2026-04-16 Cunda Wang , Ziying Ma , Po Hu , Weihua Wang , Feilong Bao

Entity alignment which aims at linking entities with the same meaning from different knowledge graphs (KGs) is a vital step for knowledge fusion. Existing research focused on learning embeddings of entities by utilizing structural…

Artificial Intelligence · Computer Science 2020-12-16 Yao Zhu , Hongzhi Liu , Zhonghai Wu , Yingpeng Du

Collaborative game-based learning environments offer rich opportunities for small-group knowledge construction, yet automatically predicting student collaboration satisfaction remains challenging. A critical barrier is modality degradation:…

Machine Learning · Computer Science 2026-05-19 Wen-Hsin Tsai , Chia-Ming Lee , Yuk-Ying Tung

Multi-Modal Entity Alignment aims to discover identical entities across heterogeneous knowledge graphs. While recent studies have delved into fusion paradigms to represent entities holistically, the elimination of features irrelevant to…

Computation and Language · Computer Science 2024-07-24 Yani Huang , Xuefeng Zhang , Richong Zhang , Junfan Chen , Jaein Kim

The paper addresses challenges in storing and retrieving sequences in contexts like anomaly detection, behavior prediction, and genetic information analysis. Associative Knowledge Graphs (AKGs) offer a promising approach by leveraging…

Artificial Intelligence · Computer Science 2025-09-11 Przemysław Stokłosa , Janusz A. Starzyk , Paweł Raif , Adrian Horzyk , Marcin Kowalik

Masked Graph Auto-Encoder, a powerful graph self-supervised training paradigm, has recently shown superior performance in graph representation learning. Existing works typically rely on node contextual information to recover the masked…

Machine Learning · Computer Science 2025-08-15 Ziyu Zheng , Yaming Yang , Ziyu Guan , Wei Zhao , Weigang Lu

Knowledge graph completion (KGC) aims to solve the incompleteness of knowledge graphs (KGs) by predicting missing links from known triples, numbers of knowledge graph embedding (KGE) models have been proposed to perform KGC by learning…

Artificial Intelligence · Computer Science 2023-06-14 Jining Wang , Delai Qiu , YouMing Liu , Yining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Multi-modal knowledge graph completion (MMKGC) aims to automatically discover the unobserved factual knowledge from a given multi-modal knowledge graph by collaboratively modeling the triple structure and multi-modal information from…

Multimedia · Computer Science 2024-06-26 Yichi Zhang , Zhuo Chen , Lingbing Guo , Yajing Xu , Binbin Hu , Ziqi Liu , Wen Zhang , Huajun Chen

Knowledge graph (KG) embedding aims at embedding entities and relations in a KG into a lowdimensional latent representation space. Existing KG embedding approaches model entities andrelations in a KG by utilizing real-valued ,…

Machine Learning · Computer Science 2021-03-24 Chengjin Xu , Mojtaba Nayyeri , Yung-Yu Chen , Jens Lehmann

Recent advances in Knowledge Graph Embedding (KGE) allow for representing entities and relations in continuous vector spaces. Some traditional KGE models leveraging additional type information can improve the representation of entities…

Computation and Language · Computer Science 2020-10-07 Guanglin Niu , Bo Li , Yongfei Zhang , Shiliang Pu , Jingyang Li

Knowledge graph (KG) embedding aims at learning the latent representations for entities and relations of a KG in continuous vector spaces. An empirical observation is that the head (tail) entities connected by the same relation often share…

Computation and Language · Computer Science 2022-06-17 Xueliang Wang , Jiajun Chen , Feng Wu , Jie Wang

We study dangling-aware entity alignment in knowledge graphs (KGs), which is an underexplored but important problem. As different KGs are naturally constructed by different sets of entities, a KG commonly contains some dangling entities…

Computation and Language · Computer Science 2022-05-06 Juncheng Liu , Zequn Sun , Bryan Hooi , Yiwei Wang , Dayiheng Liu , Baosong Yang , Xiaokui Xiao , Muhao Chen

Continual Knowledge Graph Embedding (CKGE) aims to efficiently learn new knowledge and simultaneously preserve old knowledge. Dominant approaches primarily focus on alleviating catastrophic forgetting of old knowledge but neglect efficient…

Artificial Intelligence · Computer Science 2024-07-09 Jiajun Liu , Wenjun Ke , Peng Wang , Jiahao Wang , Jinhua Gao , Ziyu Shang , Guozheng Li , Zijie Xu , Ke Ji , Yining Li