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In this paper, we introduce a post-hoc and local explainable AI method tailored for Knowledge Graph Embedding (KGE) models. These models are essential to Knowledge Graph Completion yet criticized for their opaque, black-box nature. Despite…

Artificial Intelligence · Computer Science 2025-05-08 Christoph Wehner , Chrysa Iliopoulou , Ute Schmid , Tarek R. Besold

Subsampling is effective in Knowledge Graph Embedding (KGE) for reducing overfitting caused by the sparsity in Knowledge Graph (KG) datasets. However, current subsampling approaches consider only frequencies of queries that consist of…

Computation and Language · Computer Science 2024-04-15 Xincan Feng , Hidetaka Kamigaito , Katsuhiko Hayashi , Taro Watanabe

Knowledge graphs are used to represent relational information in terms of triples. To enable learning about domains, embedding models, such as tensor factorization models, can be used to make predictions of new triples. Often there is…

Machine Learning · Computer Science 2018-12-11 Bahare Fatemi , Siamak Ravanbakhsh , David Poole

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.…

Information Retrieval · Computer Science 2022-05-19 Satvik Garg , Dwaipayan Roy

In this paper we propose a new method to enhance a mapping $\mu(\cdot)$ of a parallel application's computational tasks to the processing elements (PEs) of a parallel computer. The idea behind our method \mswap is to enhance such a mapping…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-04-20 Roland Glantz , Maria Predari , Henning Meyerhenke

Knowledge graphs (KGs) capture knowledge in the form of head--relation--tail triples and are a crucial component in many AI systems. There are two important reasoning tasks on KGs: (1) single-hop knowledge graph completion, which involves…

Machine Learning · Computer Science 2021-11-03 Hongyu Ren , Hanjun Dai , Bo Dai , Xinyun Chen , Denny Zhou , Jure Leskovec , Dale Schuurmans

Knowledge graph completion is the task of inferring missing facts based on existing data in a knowledge graph. Temporal knowledge graph completion (TKGC) is an extension of this task to temporal knowledge graphs, where each fact is…

Machine Learning · Computer Science 2021-09-21 Johannes Messner , Ralph Abboud , İsmail İlkan Ceylan

Many graph embedding approaches have been proposed for knowledge graph completion via link prediction. Among those, translating embedding approaches enjoy the advantages of light-weight structure, high efficiency and great interpretability.…

Computation and Language · Computer Science 2020-10-13 Hao Huang , Guodong Long , Tao Shen , Jing Jiang , Chengqi Zhang

Knowledge graph embedding (KGE) models learn the representation of entities and relations in knowledge graphs. Distance-based methods show promising performance on link prediction task, which predicts the result by the distance between two…

Computation and Language · Computer Science 2022-12-26 Baoxin Wang , Qingye Meng , Ziyue Wang , Honghong Zhao , Dayong Wu , Wanxiang Che , Shijin Wang , Zhigang Chen , Cong Liu

There has been an increasing interest in inferring future links on temporal knowledge graphs (KG). While links on temporal KGs vary continuously over time, the existing approaches model the temporal KGs in discrete state spaces. To this…

Machine Learning · Computer Science 2022-06-03 Zhen Han , Zifeng Ding , Yunpu Ma , Yujia Gu , Volker Tresp

Knowledge graph embedding (KGE) models achieved state-of-the-art results on many knowledge graph tasks including link prediction and information retrieval. Despite the superior performance of KGE models in practice, we discover a deficiency…

Social and Information Networks · Computer Science 2024-09-23 Yang Liu , Huang Fang , Yunfeng Cai , Mingming Sun

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…

Artificial Intelligence · Computer Science 2024-03-29 Nicolas Hubert , Heiko Paulheim , Armelle Brun , Davy Monticolo

Knowledge hypergraph embedding models are usually computationally expensive due to the inherent complex semantic information. However, existing works mainly focus on improving the effectiveness of knowledge hypergraph embedding, making the…

Artificial Intelligence · Computer Science 2024-11-05 Zhao Li , Xin Wang , Jun Zhao , Wenbin Guo , Jianxin Li

The bilinear method is mainstream in Knowledge Graph Embedding (KGE), aiming to learn low-dimensional representations for entities and relations in Knowledge Graph (KG) and complete missing links. Most of the existing works are to find…

Machine Learning · Computer Science 2022-02-16 Jiayi Li , Yujiu Yang

Knowledge graph embedding (KGE) that maps entities and relations into vector representations is essential for downstream applications. Conventional KGE methods require high-dimensional representations to learn the complex structure of…

Machine Learning · Computer Science 2024-09-04 Borui Cai , Yong Xiang , Longxiang Gao , Di Wu , He Zhang , Jiong Jin , Tom Luan

A class of neural networks that gained particular interest in the last years are neural ordinary differential equations (neural ODEs). We study input-output relations of neural ODEs using dynamical systems theory and prove several results…

Dynamical Systems · Mathematics 2023-09-29 Christian Kuehn , Sara-Viola Kuntz

Knowledge bases of real-world facts about entities and their relationships are useful resources for a variety of natural language processing tasks. However, because knowledge bases are typically incomplete, it is useful to be able to…

Computation and Language · Computer Science 2017-03-09 Dat Quoc Nguyen , Kairit Sirts , Lizhen Qu , Mark Johnson

Knowledge graphs (KGs) have become vitally important in modern recommender systems, effectively improving performance and interpretability. Fundamentally, recommender systems aim to identify user interests based on historical interactions…

Information Retrieval · Computer Science 2024-03-20 Zezhong Xu , Yincen Qu , Wen Zhang , Lei Liang , Huajun Chen

We study the problem of embedding-based entity alignment between knowledge graphs (KGs). Previous works mainly focus on the relational structure of entities. Some further incorporate another type of features, such as attributes, for…

Artificial Intelligence · Computer Science 2019-06-07 Qingheng Zhang , Zequn Sun , Wei Hu , Muhao Chen , Lingbing Guo , Yuzhong Qu

The autonomous driving (AD) industry is exploring the use of knowledge graphs (KGs) to manage the vast amount of heterogeneous data generated from vehicular sensors. The various types of equipped sensors include video, LIDAR and RADAR.…

Artificial Intelligence · Computer Science 2020-03-03 Ruwan Wickramarachchi , Cory Henson , Amit Sheth
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