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As an efficient model for knowledge organization, the knowledge graph has been widely adopted in several fields, e.g., biomedicine, sociology, and education. And there is a steady trend of learning embedding representations of knowledge…

计算与语言 · 计算机科学 2024-04-01 Siyu Yao , Ruijie Wang , Shen Sun , Derui Bu , Jun Liu

Knowledge graph embedding (KGE) constitutes a foundational task, directed towards learning representations for entities and relations within knowledge graphs (KGs), with the objective of crafting representations comprehensive enough to…

人工智能 · 计算机科学 2024-09-10 Yang Liu , Chuan Zhou , Peng Zhang , Yanan Cao , Yongchao Liu , Zhao Li , Hongyang Chen

Embedding-based methods for reasoning in knowledge hypergraphs learn a representation for each entity and relation. Current methods do not capture the procedural rules underlying the relations in the graph. We propose a simple…

机器学习 · 计算机科学 2021-02-19 Bahare Fatemi , Perouz Taslakian , David Vazquez , David Poole

Current generative knowledge graph construction approaches usually fail to capture structural knowledge by simply flattening natural language into serialized texts or a specification language. However, large generative language model…

计算与语言 · 计算机科学 2024-01-19 Zhen Bi , Jing Chen , Yinuo Jiang , Feiyu Xiong , Wei Guo , Huajun Chen , Ningyu Zhang

Recent studies on knowledge graph embedding focus on mapping entities and relations into low-dimensional vector spaces. While most existing models primarily exploit structural information, knowledge graphs also contain rich contextual and…

计算与语言 · 计算机科学 2025-09-03 Qisong Li , Ji Lin , Sijia Wei , Neng Liu

Pre-trained language representation models (PLMs) cannot well capture factual knowledge from text. In contrast, knowledge embedding (KE) methods can effectively represent the relational facts in knowledge graphs (KGs) with informative…

计算与语言 · 计算机科学 2020-11-24 Xiaozhi Wang , Tianyu Gao , Zhaocheng Zhu , Zhengyan Zhang , Zhiyuan Liu , Juanzi Li , Jian Tang

Representation learning on a knowledge graph (KG) is to embed entities and relations of a KG into low-dimensional continuous vector spaces. Early KG embedding methods only pay attention to structured information encoded in triples, which…

计算与语言 · 计算机科学 2020-01-01 Guanglin Niu , Yongfei Zhang , Bo Li , Peng Cui , Si Liu , Jingyang Li , Xiaowei Zhang

In the active research area of employing embedding models for knowledge graph completion, particularly for the task of link prediction, most prior studies used two benchmark datasets FB15k and WN18 in evaluating such models. Most triples in…

人工智能 · 计算机科学 2020-03-19 Farahnaz Akrami , Mohammed Samiul Saeef , Qingheng Zhang , Wei Hu , Chengkai Li

Knowledge graphs (KGs) consisting of triples are always incomplete, so it's important to do Knowledge Graph Completion (KGC) by predicting missing triples. Multi-Source KG is a common situation in real KG applications which can be viewed as…

计算与语言 · 计算机科学 2020-10-27 Mingyang Chen , Wen Zhang , Zonggang Yuan , Yantao Jia , Huajun Chen

Knowledge graphs are inherently incomplete. Therefore substantial research has been directed toward knowledge graph completion (KGC), i.e., predicting missing triples from the information represented in the knowledge graph (KG). KG…

机器学习 · 计算机科学 2023-03-23 Aleksandar Pavlović , Emanuel Sallinger

This paper tackles the problem of endogenous link prediction for Knowledge Base completion. Knowledge Bases can be represented as directed graphs whose nodes correspond to entities and edges to relationships. Previous attempts either…

人工智能 · 计算机科学 2015-06-03 Alberto Garcia-Duran , Antoine Bordes , Nicolas Usunier , Yves Grandvalet

Knowledge graph embeddings (KGEs) were originally developed to infer true but missing facts in incomplete knowledge repositories. In this paper, we link knowledge graph completion and counterfactual reasoning via our new task CFKGR. We…

机器学习 · 计算机科学 2024-03-12 Lena Zellinger , Andreas Stephan , Benjamin Roth

Knowledge Graph Embeddings (KGE) have become a quite popular class of models specifically devised to deal with ontologies and graph structure data, as they can implicitly encode statistical dependencies between entities and relations in a…

Incorporating prior knowledge can improve existing pre-training models in cloze-style machine reading and has become a new trend in recent studies. Notably, most of the existing models have integrated external knowledge graphs (KG) and…

计算与语言 · 计算机科学 2023-09-25 Shima Foolad , Kourosh Kiani

Knowledge graphs (KGs), i.e. representation of information as a semantic graph, provide a significant test bed for many tasks including question answering, recommendation, and link prediction. Various amount of scholarly metadata have been…

人工智能 · 计算机科学 2019-04-30 Mojtaba Nayyeri , Sahar Vahdati , Jens Lehmann , Hamed Shariat Yazdi

Knowledge graph (KG) embedding methods learn geometric representations of entities and relations to predict plausible missing knowledge. These representations are typically assumed to capture rule-like inference patterns. However, our…

人工智能 · 计算机科学 2025-07-29 Aleksandar Pavlovic , Emanuel Sallinger , Steven Schockaert

In recent years, Knowledge Graph (KG) development has attracted significant researches considering the applications in web search, relation prediction, natural language processing, information retrieval, question answering to name a few.…

信息检索 · 计算机科学 2022-05-19 Satvik Garg , Dwaipayan Roy

Knowledge Graphs (KGs) are symbolically structured storages of facts. The KG embedding contains concise data used in NLP tasks requiring implicit information about the real world. Furthermore, the size of KGs that may be useful in actual…

计算与语言 · 计算机科学 2022-05-26 Viktoriia Chekalina , Anton Razzhigaev , Albert Sayapin , Evgeny Frolov , Alexander Panchenko

Graph data structures are widely used to store relational information between several entities. With data being generated worldwide on a large scale, we see a significant growth in the generation of knowledge graphs. Thing in the future is…

人工智能 · 计算机科学 2023-10-24 Rohith Teja Mittakola , Thomas Hassan

Recently, several Knowledge Graph Embedding (KGE) approaches have been devised to represent entities and relations in dense vector space and employed in downstream tasks such as link prediction. A few KGE techniques address…