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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…

Computation and Language · Computer Science 2023-10-20 Irene Li , Boming Yang

Knowledge graph completion (KGC) aims to alleviate the inherent incompleteness of knowledge graphs (KGs), which is a critical task for various applications, such as recommendations on the web. Although knowledge graph embedding (KGE) models…

Artificial Intelligence · Computer Science 2024-04-08 Tengfei Ma , Xiang song , Wen Tao , Mufei Li , Jiani Zhang , Xiaoqin Pan , Jianxin Lin , Bosheng Song , xiangxiang Zeng

Knowledge graphs (KGs) that modelings the world knowledge as structural triples are inevitably incomplete. Such problems still exist for multimodal knowledge graphs (MMKGs). Thus, knowledge graph completion (KGC) is of great importance to…

Artificial Intelligence · Computer Science 2022-09-16 Yichi Zhang , Wen Zhang

Knowledge Graph Completion (KGC) has emerged as a promising solution to address the issue of incompleteness within Knowledge Graphs (KGs). Traditional KGC research primarily centers on triple classification and link prediction.…

Artificial Intelligence · Computer Science 2024-04-16 Jiayi Li , Ruilin Luo , Jiaqi Sun , Jing Xiao , Yujiu Yang

Knowledge Graphs (KGs) provide a structured representation of knowledge but often suffer from challenges of incompleteness. To address this, link prediction or knowledge graph completion (KGC) aims to infer missing new facts based on…

Machine Learning · Computer Science 2025-01-03 Wenkai Tu , Guojia Wan , Zhengchun Shang , Bo Du

Multilingual knowledge graphs (KGs) provide high-quality relational and textual information for various NLP applications, but they are often incomplete, especially in non-English languages. Previous research has shown that combining…

Computation and Language · Computer Science 2025-01-08 Zelin Zhou , Simone Conia , Daniel Lee , Min Li , Shenglei Huang , Umar Farooq Minhas , Saloni Potdar , Henry Xiao , Yunyao Li

Large language models have become integral to question-answering applications despite their propensity for generating hallucinations and factually inaccurate content. Querying knowledge graphs to reduce hallucinations in LLM meets the…

Computation and Language · Computer Science 2024-06-26 Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

Recent advances in knowledge graph completion (KGC) have emphasized text-based approaches to navigate the inherent complexities of large-scale knowledge graphs (KGs). While these methods have achieved notable progress, they frequently…

Computation and Language · Computer Science 2025-06-16 Haotian Li , Rui Zhang , Lingzhi Wang , Bin Yu , Youwei Wang , Yuliang Wei , Kai Wang , Richard Yi Da Xu , Bailing Wang

Knowledge Graph Completion (KGC) aims to predict the missing [relation] part of (head entity)--[relation]->(tail entity) triplet. Most existing KGC methods focus on single features (e.g., relation types) or sub-graph aggregation. However,…

Computation and Language · Computer Science 2024-09-27 Pengjie Liu

Large Language Models (LLMs) and Knowledge Graphs (KGs) offer a promising approach to robust and explainable Question Answering (QA). While LLMs excel at natural language understanding, they suffer from knowledge gaps and hallucinations.…

Machine Learning · Computer Science 2025-04-15 Jasper Linders , Jakub M. Tomczak

Multimodal knowledge graph completion (MMKGC) aims to predict missing links in multimodal knowledge graphs (MMKGs) by leveraging information from various modalities alongside structural data. Existing MMKGC approaches primarily extend…

Computation and Language · Computer Science 2025-09-16 Haodi Ma , Dzmitry Kasinets , Daisy Zhe Wang

Embedding based Knowledge Graph (KG) Completion has gained much attention over the past few years. Most of the current algorithms consider a KG as a multidirectional labeled graph and lack the ability to capture the semantics underlying the…

Artificial Intelligence · Computer Science 2024-07-12 Mehwish Alam , Frank van Harmelen , Maribel Acosta

Autoregressive large language models (LLMs) pre-trained by next token prediction are inherently proficient in generative tasks. However, their performance on knowledge-driven tasks such as factual knowledge querying remains unsatisfactory.…

Computation and Language · Computer Science 2026-01-14 Peng Yu , Cheng Deng , Beiya Dai , Xinbing Wang , Ying Wen

Knowledge graph completion (KGC) is one of the effective methods to identify new facts in knowledge graph. Except for a few methods based on graph network, most of KGC methods trend to be trained based on independent triples, while are…

Artificial Intelligence · Computer Science 2023-03-20 Kuan Xu , Kuo Yang , Hanyang Dong , Xinyan Wang , Jian Yu , Xuezhong Zhou

Knowledge Graph-based recommendations have gained significant attention due to their ability to leverage rich semantic relationships. However, constructing and maintaining Knowledge Graphs (KGs) is resource-intensive, and the accuracy of…

Information Retrieval · Computer Science 2025-02-07 Rui Cai , Chao Wang , Qianyi Cai , Dazhong Shen , Hui Xiong

While large language models (LLMs) have made considerable advancements in understanding and generating unstructured text, their application in structured data remains underexplored. Particularly, using LLMs for complex reasoning tasks on…

Computation and Language · Computer Science 2023-10-18 Jiho Kim , Yeonsu Kwon , Yohan Jo , Edward Choi

Multilingual Knowledge Graph Completion (mKGC) aim at solving queries like (h, r, ?) in different languages by reasoning a tail entity t thus improving multilingual knowledge graphs. Previous studies leverage multilingual pretrained…

Computation and Language · Computer Science 2024-06-27 Ran Song , Shizhu He , Shengxiang Gao , Li Cai , Kang Liu , Zhengtao Yu , Jun Zhao

Knowledge Graph Completion (KGC) fundamentally hinges on the coherent fusion of pre-trained entity semantics with heterogeneous topological structures to facilitate robust relational reasoning. However, existing paradigms encounter a…

Artificial Intelligence · Computer Science 2026-02-12 Xuecheng Zou , Yu Tang , Bingbing Wang

Knowledge graphs (KGs) play a pivotal role in knowledge-intensive tasks across specialized domains, where the acquisition of precise and dependable knowledge is crucial. However, existing KG construction methods heavily rely on human…

Artificial Intelligence · Computer Science 2024-10-07 Hanzhu Chen , Xu Shen , Qitan Lv , Jie Wang , Xiaoqi Ni , Jieping Ye

Knowledge graph (KG) completion aims to fill the missing facts in a KG, where a fact is represented as a triple in the form of $(subject, relation, object)$. Current KG completion models compel two-thirds of a triple provided (e.g.,…

Machine Learning · Computer Science 2019-01-01 Lingbing Guo , Qingheng Zhang , Weiyi Ge , Wei Hu , Yuzhong Qu