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相关论文: One-shot Learning for Temporal Knowledge Graphs

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The Hawkes process has become a standard method for modeling self-exciting event sequences with different event types. A recent work has generalized the Hawkes process to a neurally self-modulating multivariate point process, which enables…

机器学习 · 计算机科学 2020-06-16 Zhen Han , Yunpu Ma , Yuyi Wang , Stephan Günnemann , Volker Tresp

Graphs are a powerful representation tool in machine learning applications, with link prediction being a key task in graph learning. Temporal link prediction in dynamic networks is of particular interest due to its potential for solving…

机器学习 · 计算机科学 2024-01-17 Sanaz Hasanzadeh Fard , Mohammad Ghassemi

Knowledge graph reasoning is a critical task in natural language processing. The task becomes more challenging on temporal knowledge graphs, where each fact is associated with a timestamp. Most existing methods focus on reasoning at past…

机器学习 · 计算机科学 2020-10-08 Woojeong Jin , Meng Qu , Xisen Jin , Xiang Ren

Knowledge graphs typically undergo open-ended growth of new relations. This cannot be well handled by relation extraction that focuses on pre-defined relations with sufficient training data. To address new relations with few-shot instances,…

计算与语言 · 计算机科学 2019-11-20 Tianyu Gao , Xu Han , Ruobing Xie , Zhiyuan Liu , Fen Lin , Leyu Lin , Maosong Sun

Link prediction is an important way to complete knowledge graphs (KGs), while embedding-based methods, effective for link prediction in KGs, perform poorly on relations that only have a few associative triples. In this work, we propose a…

计算与语言 · 计算机科学 2019-09-05 Mingyang Chen , Wen Zhang , Wei Zhang , Qiang Chen , Huajun Chen

Recent years have witnessed increasing interest in few-shot knowledge graph completion (FKGC), which aims to infer unseen query triples for a few-shot relation using a few reference triples about the relation. The primary focus of existing…

计算与语言 · 计算机科学 2022-09-28 Yuling Li , Kui Yu , Yuhong Zhang , Xindong Wu

Dynamic link prediction is an important problem considered in many recent works that propose approaches for learning temporal edge patterns. To assess their efficacy, models are evaluated on continuous-time and discrete-time temporal graph…

机器学习 · 计算机科学 2026-02-06 Moritz Lampert , Christopher Blöcker , Ingo Scholtes

Temporal Knowledge Graph (TKG) Forecasting aims at predicting links in Knowledge Graphs for future timesteps based on a history of Knowledge Graphs. To this day, standardized evaluation protocols and rigorous comparison across TKG models…

Few-shot Knowledge Graph (KG) completion is a focus of current research, where each task aims at querying unseen facts of a relation given its few-shot reference entity pairs. Recent attempts solve this problem by learning static…

计算与语言 · 计算机科学 2021-07-06 Jiawei Sheng , Shu Guo , Zhenyu Chen , Juwei Yue , Lihong Wang , Tingwen Liu , Hongbo Xu

Temporal Graph Learning, which aims to model the time-evolving nature of graphs, has gained increasing attention and achieved remarkable performance recently. However, in reality, graph structures are often incomplete and noisy, which…

机器学习 · 计算机科学 2023-08-16 Haozhen Zhang , Xueting Han , Xi Xiao , Jing Bai

Temporal knowledge graph, serving as an effective way to store and model dynamic relations, shows promising prospects in event forecasting. However, most temporal knowledge graph reasoning methods are highly dependent on the recurrence or…

人工智能 · 计算机科学 2022-12-05 Yi Xu , Junjie Ou , Hui Xu , Luoyi Fu

The task of link prediction aims to solve the problem of incomplete knowledge caused by the difficulty of collecting facts from the real world. GCNs-based models are widely applied to solve link prediction problems due to their…

人工智能 · 计算机科学 2022-09-07 Shuanglong Yao , Dechang Pi , Junfu Chen , Yufei Liu , Zhiyuan Wu

Spatio-temporal graph learning is a key method for urban computing tasks, such as traffic flow, taxi demand and air quality forecasting. Due to the high cost of data collection, some developing cities have few available data, which makes it…

机器学习 · 计算机科学 2022-06-06 Bin Lu , Xiaoying Gan , Weinan Zhang , Huaxiu Yao , Luoyi Fu , Xinbing Wang

Few-shot inductive link prediction on knowledge graphs (KGs) aims to predict missing links for unseen entities with few-shot links observed. Previous methods are limited to transductive scenarios, where entities exist in the knowledge…

人工智能 · 计算机科学 2023-07-06 Zicheng Zhao , Linhao Luo , Shirui Pan , Quoc Viet Hung Nguyen , Chen Gong

Graph representation learning methods have been widely adopted in financial applications to enhance company representations by leveraging inter-firm relationships. However, current approaches face three key challenges: (1) The advantages of…

统计金融 · 定量金融 2025-07-04 Yingjie Niu , Mingchuan Zhao , Valerio Poti , Ruihai Dong

Graphs are a commonly used construct for representing relationships between elements in complex high dimensional datasets. Many real-world phenomenon are dynamic in nature, meaning that any graph used to represent them is inherently…

社会与信息网络 · 计算机科学 2018-11-21 Stephen Bonner , John Brennan , Ibad Kureshi , Georgios Theodoropoulos , Andrew Stephen McGough , Boguslaw Obara

Despite the advances made in visual object recognition, state-of-the-art deep learning models struggle to effectively recognize novel objects in a few-shot setting where only a limited number of examples are provided. Unlike humans who…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Sarthak Bhagat , Simon Stepputtis , Joseph Campbell , Katia Sycara

Recent advances in employing neural networks on graph domains helped push the state of the art in link prediction tasks, particularly in recommendation services. However, the use of temporal contextual information, often modeled as dynamic…

信息检索 · 计算机科学 2018-11-20 Samuel G. Fadel , Ricardo da S. Torres

Knowledge graphs (KGs) are ubiquitous and widely used in various applications. However, most real-world knowledge graphs are incomplete, which significantly degrades their performance on downstream tasks. Additionally, the relationships in…

人工智能 · 计算机科学 2025-04-08 Lihui Liu , Zihao Wang , Dawei Zhou , Ruijie Wang , Yuchen Yan , Bo Xiong , Sihong He , Kai Shu , Hanghang Tong

Snapshot ensembles have been widely used in various fields of prediction. They allow for training an ensemble of prediction models at the cost of training a single one. They are known to yield more robust predictions by creating a set of…

机器学习 · 计算机科学 2024-08-07 Ali Shaban , Heiko Paulheim