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Entity alignment, aiming to identify equivalent entities across different knowledge graphs (KGs), is a fundamental problem for constructing large-scale KGs. Over the course of its development, supervision has been considered necessary for…

Computation and Language · Computer Science 2021-08-26 Xiao Liu , Haoyun Hong , Xinghao Wang , Zeyi Chen , Evgeny Kharlamov , Yuxiao Dong , Jie Tang

Entity alignment, aiming to identify equivalent entities across different knowledge graphs (KGs), is a fundamental problem for constructing Web-scale KGs. Over the course of its development, the label supervision has been considered…

Machine Learning · Computer Science 2022-03-03 Xiao Liu , Haoyun Hong , Xinghao Wang , Zeyi Chen , Evgeny Kharlamov , Yuxiao Dong , Jie Tang

Cross-lingual and cross-domain knowledge alignment without sufficient external resources is a fundamental and crucial task for fusing irregular data. As the element-wise fusion process aiming to discover equivalent objects from different…

Computation and Language · Computer Science 2023-05-03 Zhishuo Zhang , Chengxiang Tan , Xueyan Zhao , Min Yang , Chaoqun Jiang

Knowledge Graphs (KGs) are graph-structured knowledge bases storing factual information about real-world entities. Understanding the uniqueness of each entity is crucial to the analyzing, sharing, and reusing of KGs. Traditional profiling…

Artificial Intelligence · Computer Science 2020-03-03 Xiang Zhang , Qingqing Yang , Jinru Ding , Ziyue Wang

Entity alignment (EA) is critical for knowledge graph (KG) fusion. Existing EA models lack transferability and are incapable of aligning unseen KGs without retraining. While using graph foundation models (GFMs) offer a solution, we find…

Machine Learning · Computer Science 2026-05-15 Yuanning Cui , Zequn Sun , Wei Hu , Kexuan Xin , Zhangjie Fu

Previous works on knowledge-to-text generation take as input a few RDF triples or key-value pairs conveying the knowledge of some entities to generate a natural language description. Existing datasets, such as WIKIBIO, WebNLG, and E2E,…

Computation and Language · Computer Science 2020-10-27 Liying Cheng , Dekun Wu , Lidong Bing , Yan Zhang , Zhanming Jie , Wei Lu , Luo Si

Knowledge Graph Completion (KGC) predicts missing facts in an incomplete Knowledge Graph. Almost all of existing KGC research is applicable to only one KG at a time, and in one language only. However, different language speakers may…

Artificial Intelligence · Computer Science 2021-04-20 Harkanwar Singh , Prachi Jain , Mausam , Soumen Chakrabarti

This work studies the use of visual semantic representations to align entities in heterogeneous knowledge graphs (KGs). Images are natural components of many existing KGs. By combining visual knowledge with other auxiliary information, we…

Computation and Language · Computer Science 2020-12-18 Fangyu Liu , Muhao Chen , Dan Roth , Nigel Collier

The goal of knowledge graph completion (KGC) is to predict missing links in a KG using trained facts that are already known. In recent, pre-trained language model (PLM) based methods that utilize both textual and structural information are…

Artificial Intelligence · Computer Science 2023-11-09 Sang-Hyun Je , Wontae Choi , Kwangjin Oh

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 Alignment (KGA) aims to integrate knowledge from multiple sources to address the limitations of individual Knowledge Graphs (KGs) in terms of coverage and depth. However, current KGA models fall short in achieving a…

Computation and Language · Computer Science 2024-07-26 Xiaohan Fang , Chaozhuo Li , Yi Zhao , Qian Zang , Litian Zhang , Jiquan Peng , Xi Zhang , Jibing Gong

Representation Learning of words and Knowledge Graphs (KG) into low dimensional vector spaces along with its applications to many real-world scenarios have recently gained momentum. In order to make use of multiple KG embeddings for…

Computation and Language · Computer Science 2020-04-16 Russa Biswas , Mehwish Alam , Harald Sack

Representation Learning on Knowledge Graphs (KGs) is essential for downstream tasks. The dominant approach, KG Embedding (KGE), represents entities with independent vectors and faces the scalability challenge. Recent studies propose an…

Artificial Intelligence · Computer Science 2023-10-25 Jiaang Li , Quan Wang , Yi Liu , Licheng Zhang , Zhendong Mao

Entity linking - connecting entity mentions in a natural language utterance to knowledge graph (KG) entities is a crucial step for question answering over KGs. It is often based on measuring the string similarity between the entity label…

Computation and Language · Computer Science 2020-02-27 Rostislav Nedelchev , Debanjan Chaudhuri , Jens Lehmann , Asja Fischer

Two crucial issues for text summarization to generate faithful summaries are to make use of knowledge beyond text and to make use of cross-sentence relations in text. Intuitive ways for the two issues are Knowledge Graph (KG) and Graph…

Computation and Language · Computer Science 2023-12-07 Jingqiang Chen

Knowledge Graph (KG) alignment is to discover the mappings (i.e., equivalent entities, relations, and others) between two KGs. The existing methods can be divided into the embedding-based models, and the conventional reasoning and lexical…

Computation and Language · Computer Science 2021-06-14 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yuejia Xiang , Ningyu Zhang , Yefeng Zheng

Entity linking (EL) aligns textual mentions with their corresponding entities in a knowledge base, facilitating various applications such as semantic search and question answering. Recent advances in multimodal entity linking (MEL) have…

Information Retrieval · Computer Science 2025-04-22 Juyeon Kim , Geon Lee , Taeuk Kim , Kijung Shin

Multilingual knowledge graphs (KGs), such as YAGO and DBpedia, represent entities in different languages. The task of cross-lingual entity alignment is to match entities in a source language with their counterparts in target languages. In…

Computation and Language · Computer Science 2019-10-16 Hsiu-Wei Yang , Yanyan Zou , Peng Shi , Wei Lu , Jimmy Lin , Xu Sun

Entity alignment is the task of identifying corresponding entities across different knowledge graphs (KGs). Although recent embedding-based entity alignment methods have shown significant advancements, they still struggle to fully utilize…

Computation and Language · Computer Science 2023-05-12 Jianheng Tang , Kangfei Zhao , Jia Li

The objective of knowledge graph embedding is to encode both entities and relations of knowledge graphs into continuous low-dimensional vector spaces. Previously, most works focused on symbolic representation of knowledge graph with…

Computation and Language · Computer Science 2016-12-14 Jiacheng Xu , Kan Chen , Xipeng Qiu , Xuanjing Huang
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