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Few-shot learning aims to learn novel categories from very few samples given some base categories with sufficient training samples. The main challenge of this task is the novel categories are prone to dominated by color, texture, shape of…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Riquan Chen , Tianshui Chen , Xiaolu Hui , Hefeng Wu , Guanbin Li , Liang Lin

Knowledge graph (KG) embedding has been used to benefit the diagnosis of animal diseases by analyzing electronic medical records (EMRs), such as notes and veterinary records. However, learning representations to capture entities and…

人工智能 · 计算机科学 2023-09-08 Van Thuy Hoang , Sang Thanh Nguyen , Sangmyeong Lee , Jooho Lee , Luong Vuong Nguyen , O-Joun Lee

Knowledge graph embeddings (KGE) apply machine learning methods on knowledge graphs (KGs) to provide non-classical reasoning capabilities based on similarities and analogies. The learned KG embeddings are typically used to answer queries by…

人工智能 · 计算机科学 2025-01-28 Yuqicheng Zhu , Nico Potyka , Jiarong Pan , Bo Xiong , Yunjie He , Evgeny Kharlamov , Steffen Staab

Knowledge Graphs (KGs) have found many applications in industry and academic settings, which in turn, have motivated considerable research efforts towards large-scale information extraction from a variety of sources. Despite such efforts,…

机器学习 · 计算机科学 2021-01-25 Andrea Rossi , Donatella Firmani , Antonio Matinata , Paolo Merialdo , Denilson Barbosa

While large language models (LLMs) have made considerable advancements in understanding and generating unstructured text, their application in structured data remains underexplored. Particularly, using LLMs for complex reasoning tasks on…

计算与语言 · 计算机科学 2023-10-18 Jiho Kim , Yeonsu Kwon , Yohan Jo , Edward Choi

Knowledge graph (KG) embedding encodes the entities and relations from a KG into low-dimensional vector spaces to support various applications such as KG completion, question answering, and recommender systems. In real world, knowledge…

数据库 · 计算机科学 2022-06-02 Tianxing Wu , Arijit Khan , Melvin Yong , Guilin Qi , Meng Wang

Knowledge graph embedding (KGE) models have been proposed to improve the performance of knowledge graph reasoning. However, there is a general phenomenon in most of KGEs, as the training progresses, the symmetric relations tend to zero…

人工智能 · 计算机科学 2019-05-24 Jinkui Yao , Lianghua Xu

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

Graph Foundation Models (GFMs) are emerging as a significant research topic in the graph domain, aiming to develop graph models trained on extensive and diverse data to enhance their applicability across various tasks and domains.…

机器学习 · 计算机科学 2024-06-03 Haitao Mao , Zhikai Chen , Wenzhuo Tang , Jianan Zhao , Yao Ma , Tong Zhao , Neil Shah , Mikhail Galkin , Jiliang Tang

Current action recognition systems require large amounts of training data for recognizing an action. Recent works have explored the paradigm of zero-shot and few-shot learning to learn classifiers for unseen categories or categories with…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Pallabi Ghosh , Nirat Saini , Larry S. Davis , Abhinav Shrivastava

Knowledge graphs (KGs) are a popular way to organise information based on ontologies or schemas and have been used across a variety of scenarios from search to recommendation. Despite advances in KGs, representing knowledge remains a…

人工智能 · 计算机科学 2023-10-10 Christos Theodoropoulos , Natasha Mulligan , Thaddeus Stappenbeck , Joao Bettencourt-Silva

Knowledge Graph (KG) alignment is to discover the mappings (i.e., equivalent entities, relations, and others) between two KGs. The existing methods can be divided into the embedding-based models, and the conventional reasoning and lexical…

计算与语言 · 计算机科学 2021-06-14 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yuejia Xiang , Ningyu Zhang , Yefeng Zheng

Predicting missing facts in a knowledge graph (KG) is a crucial task in knowledge base construction and reasoning, and it has been the subject of much research in recent works using KG embeddings. While existing KG embedding approaches…

计算与语言 · 计算机科学 2020-10-09 Xuelu Chen , Muhao Chen , Changjun Fan , Ankith Uppunda , Yizhou Sun , Carlo Zaniolo

Knowledge Graphs (KGs) provide a structured representation of knowledge but often suffer from challenges of incompleteness. To address this, link prediction or knowledge graph completion (KGC) aims to infer missing new facts based on…

机器学习 · 计算机科学 2025-01-03 Wenkai Tu , Guojia Wan , Zhengchun Shang , Bo Du

Knowledge graphs are freely aggregated, published, and edited in the Web of data, and thus may overlap. Hence, a key task resides in aligning (or matching) their content. This task encompasses the identification, within an aggregated…

机器学习 · 计算机科学 2021-10-22 Pierre Monnin , Chedy Raïssi , Amedeo Napoli , Adrien Coulet

Knowledge graph completion aims to predict the new links in given entities among the knowledge graph (KG). Most mainstream embedding methods focus on fact triplets contained in the given KG, however, ignoring the rich background information…

人工智能 · 计算机科学 2020-10-13 Zhaochong An , Bozhou Chen , Houde Quan , Qihui Lin , Hongzhi Wang

Knowledge graph embedding involves learning representations of entities -- the vertices of the graph -- and relations -- the edges of the graph -- such that the resulting representations encode the known factual information represented by…

机器学习 · 计算机科学 2023-03-21 Thomas Gebhart , Jakob Hansen , Paul Schrater

Knowledge graphs (KG) are essential background knowledge providers in many tasks. When designing models for KG-related tasks, one of the key tasks is to devise the Knowledge Representation and Fusion (KRF) module that learns the…

机器学习 · 计算机科学 2023-03-08 Wen Zhang , Yushan Zhu , Mingyang Chen , Yuxia Geng , Yufeng Huang , Yajing Xu , Wenting Song , Huajun Chen

Graph Federated Learning (GFL) enables distributed graph representation learning while protecting the privacy of graph data. However, GFL suffers from heterogeneity arising from diverse node features and structural topologies across…

机器学习 · 计算机科学 2026-01-30 Wentao Yu , Sheng Wan , Shuo Chen , Bo Han , Chen Gong

Semi-inductive link prediction (LP) in knowledge graphs (KG) is the task of predicting facts for new, previously unseen entities based on context information. Although new entities can be integrated by retraining the model from scratch in…

计算与语言 · 计算机科学 2023-10-19 Adrian Kochsiek , Rainer Gemulla