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Entity Alignment (EA) aims to match equivalent entities in different Knowledge Graphs (KGs), which is essential for knowledge fusion and integration. Recently, embedding-based EA has attracted significant attention and many approaches have…

计算与语言 · 计算机科学 2024-08-05 Zhichun Wang , Xuan Chen

While deep Embedding Learning approaches have witnessed widespread success in multiple computer vision tasks, the state-of-the-art methods for representing natural images need not necessarily perform well on images from other domains, such…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjal Kr Dutta

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

计算与语言 · 计算机科学 2023-05-18 Jason Youn , Ilias Tagkopoulos

Entity alignment (EA) is a fundamental data integration task that identifies equivalent entities between different knowledge graphs (KGs). Temporal Knowledge graphs (TKGs) extend traditional knowledge graphs by introducing timestamps, which…

信息检索 · 计算机科学 2023-02-09 Xiaoze Liu , Junyang Wu , Tianyi Li , Lu Chen , Yunjun Gao

Event analysis from news and social networks is very useful for a wide range of social studies and real-world applications. Recently, event graphs have been explored to model event datasets and their complex relationships, where events are…

机器学习 · 计算机科学 2022-01-04 Joao Pedro Rodrigues Mattos , Ricardo M. Marcacini

Knowledge Graphs (KG) are of vital importance for multiple applications on the web, including information retrieval, recommender systems, and metadata annotation. Regardless of whether they are built manually by domain experts or with…

计算与语言 · 计算机科学 2026-05-12 Daniel Daza , Michael Cochez , Paul Groth

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…

人工智能 · 计算机科学 2023-06-14 Jining Wang , Delai Qiu , YouMing Liu , Yining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Knowledge Graph Embedding (KGE) methods have gained enormous attention from a wide range of AI communities including Natural Language Processing (NLP) for text generation, classification and context induction. Embedding a huge number of…

人工智能 · 计算机科学 2022-09-19 Mojtaba Moattari , Sahar Vahdati , Farhana Zulkernine

Knowledge graph embedding models (KGEMs) developed for link prediction learn vector representations for entities in a knowledge graph, known as embeddings. A common tacit assumption is the KGE entity similarity assumption, which states that…

人工智能 · 计算机科学 2024-03-29 Nicolas Hubert , Heiko Paulheim , Armelle Brun , Davy Monticolo

Joint representation learning of text and knowledge within a unified semantic space enables us to perform knowledge graph completion more accurately. In this work, we propose a novel framework to embed words, entities and relations into the…

计算与语言 · 计算机科学 2016-11-15 Xu Han , Zhiyuan Liu , Maosong Sun

Textual entailment is a fundamental task in natural language processing. Most approaches for solving the problem use only the textual content present in training data. A few approaches have shown that information from external knowledge…

Entity linking aims to establish a link between entity mentions in a document and the corresponding entities in knowledge graphs (KGs). Previous work has shown the effectiveness of global coherence for entity linking. However, most of the…

计算与语言 · 计算机科学 2021-12-09 Jian Sun , Yu Zhou , Chengqing Zong

Knowledge graph (KG) embedding methods which map entities and relations to unique embeddings in the KG have shown promising results on many reasoning tasks. However, the same embedding dimension for both dense entities and sparse entities…

计算与语言 · 计算机科学 2022-05-06 Linlin Chao , Xiexiong Lin , Taifeng Wang , Wei Chu

Knowledge graph integration typically suffers from the widely existing dangling entities that cannot find alignment cross knowledge graphs (KGs). The dangling entity set is unavailable in most real-world scenarios, and manually mining the…

计算与语言 · 计算机科学 2022-03-11 Shengxuan Luo , Sheng Yu

Large language models (LLMs) have significantly advanced performance across a spectrum of natural language processing (NLP) tasks. Yet, their application to knowledge graphs (KGs), which describe facts in the form of triplets and allow…

Traditional knowledge graph (KG) completion models learn embeddings to predict missing facts. Recent works attempt to complete KGs in a text-generation manner with large language models (LLMs). However, they need to ground the output of…

计算与语言 · 计算机科学 2024-07-24 Yang Liu , Xiaobin Tian , Zequn Sun , Wei Hu

Many Knowledege Graphs (KGs) are frequently updated, forcing their Knowledge Graph Embeddings (KGEs) to adapt to these changes. To address this problem, continual learning techniques for KGEs incorporate embeddings for new entities while…

机器学习 · 计算机科学 2026-05-29 Gerard Pons , Besim Bilalli , Anna Queralt

Entity Alignment (EA) is vital for integrating diverse knowledge graph (KG) data, playing a crucial role in data-driven AI applications. Traditional EA methods primarily rely on comparing entity embeddings, but their effectiveness is…

计算与语言 · 计算机科学 2024-10-11 Xuhui Jiang , Yinghan Shen , Zhichao Shi , Chengjin Xu , Wei Li , Zixuan Li , Jian Guo , Huawei Shen , Yuanzhuo Wang

There is an emerging trend of embedding knowledge graphs (KGs) in continuous vector spaces in order to use those for machine learning tasks. Recently, many knowledge graph embedding (KGE) models have been proposed that learn low dimensional…

机器学习 · 计算机科学 2020-01-30 Mehdi Ali , Hajira Jabeen , Charles Tapley Hoyt , Jens Lehman

Knowledge graphs (KGs) can vary greatly from one domain to another. Therefore supervised approaches to both graph-to-text generation and text-to-graph knowledge extraction (semantic parsing) will always suffer from a shortage of…

计算与语言 · 计算机科学 2020-11-18 Martin Schmitt , Sahand Sharifzadeh , Volker Tresp , Hinrich Schütze