English
Related papers

Related papers: Enhancing PyKEEN with Multiple Negative Sampling S…

200 papers

Recently, knowledge graph embeddings (KGEs) received significant attention, and several software libraries have been developed for training and evaluating KGEs. While each of them addresses specific needs, we re-designed and re-implemented…

Machine Learning · Computer Science 2020-07-31 Mehdi Ali , Max Berrendorf , Charles Tapley Hoyt , Laurent Vermue , Sahand Sharifzadeh , Volker Tresp , Jens Lehmann

Knowledge graphs represent information as structured triples and serve as the backbone for a wide range of applications, including question answering, link prediction, and recommendation systems. A prominent line of research for exploring…

Machine Learning · Computer Science 2025-10-15 Rita T. Sousa , Heiko Paulheim

Knowledge graph embedding~(KGE) aims to represent entities and relations into low-dimensional vectors for many real-world applications. The representations of entities and relations are learned via contrasting the positive and negative…

Artificial Intelligence · Computer Science 2022-02-22 Feihu Che , Guohua Yang , Pengpeng Shao , Dawei Zhang , Jianhua Tao

Knowledge Graph Embedding models have become an important area of machine learning.Those models provide a latent representation of entities and relations in a knowledge graph which can then be used in downstream machine learning tasks such…

Artificial Intelligence · Computer Science 2022-10-18 Md Rashad Al Hasan Rony , Mirza Mohtashim Alam , Semab Ali , Jens Lehmann , Sahar Vahdati

Knowledge graph embedding (KGE) models encode the structural information of knowledge graphs to predicting new links. Effective training of these models requires distinguishing between positive and negative samples with high precision.…

Machine Learning · Computer Science 2025-04-07 Makoto Takamoto , Daniel Oñoro-Rubio , Wiem Ben Rim , Takashi Maruyama , Bhushan Kotnis

Knowledge graphs are large, useful, but incomplete knowledge repositories. They encode knowledge through entities and relations which define each other through the connective structure of the graph. This has inspired methods for the joint…

Artificial Intelligence · Computer Science 2018-03-05 Bhushan Kotnis , Vivi Nastase

Knowledge graph embedding (KGE) aims to map entities and relations of a knowledge graph (KG) into a low-dimensional and dense vector space via contrasting the positive and negative triples. In the training process of KGEs, negative sampling…

Artificial Intelligence · Computer Science 2023-10-17 Xiangnan Chen , Wen Zhang , Zhen Yao , Mingyang Chen , Siliang Tang

Negative sampling, which samples negative triplets from non-observed ones in knowledge graph (KG), is an essential step in KG embedding. Recently, generative adversarial network (GAN), has been introduced in negative sampling. By sampling…

Machine Learning · Computer Science 2021-07-15 Yongqi Zhang , Quanming Yao , Lei Chen

Knowledge Graph (KG) is a flexible structure that is able to describe the complex relationship between data entities. Currently, most KG embedding models are trained based on negative sampling, i.e., the model aims to maximize some…

Artificial Intelligence · Computer Science 2021-06-17 Zelong Li , Jianchao Ji , Zuohui Fu , Yingqiang Ge , Shuyuan Xu , Chong Chen , Yongfeng Zhang

The heterogeneity in recently published knowledge graph embedding models' implementations, training, and evaluation has made fair and thorough comparisons difficult. In order to assess the reproducibility of previously published results, we…

Knowledge graph embedding methods learn continuous vector representations for entities in knowledge graphs and have been used successfully in a large number of applications. We present a novel and scalable paradigm for the computation of…

Computation and Language · Computer Science 2020-01-22 Caglar Demir , Axel-Cyrille Ngonga Ngomo

Knowledge Graph (KG) embedding is a fundamental problem in data mining research with many real-world applications. It aims to encode the entities and relations in the graph into low dimensional vector space, which can be used for subsequent…

Artificial Intelligence · Computer Science 2019-01-21 Yongqi Zhang , Quanming Yao , Yingxia Shao , Lei Chen

Knowledge Graph Representation Learning (KGRL), or Knowledge Graph Embedding (KGE), is essential for AI applications such as knowledge construction and information retrieval. These models encode entities and relations into lower-dimensional…

Artificial Intelligence · Computer Science 2024-10-22 Tiroshan Madushanka , Ryutaro Ichise

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…

Machine Learning · Computer Science 2020-01-30 Mehdi Ali , Hajira Jabeen , Charles Tapley Hoyt , Jens Lehman

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…

Artificial Intelligence · Computer Science 2022-09-19 Mojtaba Moattari , Sahar Vahdati , Farhana Zulkernine

The quality assurance of the knowledge graph is a prerequisite for various knowledge-driven applications. We propose KGClean, a novel cleaning framework powered by knowledge graph embedding, to detect and repair the heterogeneous dirty…

Databases · Computer Science 2020-05-01 Congcong Ge , Yunjun Gao , Honghui Weng , Chong Zhang , Xiaoye Miao , Baihua Zheng

Knowledge graphs (KGs) are typically incomplete and we often wish to infer new facts given the existing ones. This can be thought of as a binary classification problem; we aim to predict if new facts are true or false. Unfortunately, we…

Machine Learning · Computer Science 2022-01-11 Ainaz Hajimoradlou , Mehran Kazemi

Knowledge representation learning aims at modeling knowledge graph by encoding entities and relations into a low dimensional space. Most of the traditional works for knowledge embedding need negative sampling to minimize a margin-based…

Artificial Intelligence · Computer Science 2018-10-01 Peifeng Wang , Shuangyin Li , Rong pan

In knowledge graph embedding, aside from positive triplets (ie: facts in the knowledge graph), the negative triplets used for training also have a direct influence on the model performance. In reality, since knowledge graphs are sparse and…

Artificial Intelligence · Computer Science 2025-10-28 Ran Liu , Zhongzhou Liu , Xiaoli Li , Hao Wu , Yuan Fang

Knowledge graph embedding (KGE) models are extensively studied for knowledge graph completion, yet their evaluation remains constrained by unrealistic benchmarks. Standard evaluation metrics rely on the closed-world assumption, which…

Machine Learning · Computer Science 2025-06-11 Nasim Shirvani-Mahdavi , Farahnaz Akrami , Chengkai Li
‹ Prev 1 2 3 10 Next ›