A comprehensive survey of graph neural networks for knowledge graphs

Z Ye, YJ Kumar, GO Sing, F Song, J Wang - IEEE Access, 2022 - ieeexplore.ieee.org
The Knowledge graph, a multi-relational graph that represents rich factual information
among entities of diverse classifications, has gradually become one of the critical tools for …

[HTML][HTML] Knowledge graph quality control: A survey

X Wang, L Chen, T Ban, M Usman, Y Guan, S Liu… - Fundamental …, 2021 - Elsevier
A knowledge graph (KG), a special form of semantic network, integrates fragmentary data
into a graph to support knowledge processing and reasoning. KG quality control is important …

Transformer-xh: Multi-evidence reasoning with extra hop attention

C Zhao, C Xiong, C Rosset, X Song… - International …, 2020 - openreview.net
Transformers have achieved new heights modeling natural language as a sequence of text
tokens. However, in many real world scenarios, textual data inherently exhibits structures …

From alignment to assignment: Frustratingly simple unsupervised entity alignment

X Mao, W Wang, Y Wu, M Lan - arXiv preprint arXiv:2109.02363, 2021 - arxiv.org
Cross-lingual entity alignment (EA) aims to find the equivalent entities between crosslingual
KGs, which is a crucial step for integrating KGs. Recently, many GNN-based EA methods are …

Unrestricted multi-hop reasoning network for interpretable question answering over knowledge graph

X Bi, H Nie, X Zhang, X Zhao, Y Yuan… - Knowledge-Based Systems, 2022 - Elsevier
Abstract Knowledge graphs significantly boost the answer retrieval quality for natural
language questions. The knowledge graph based question answering (KGQA) task returns …

Dynamic semantic graph construction and reasoning for explainable multi-hop science question answering

W Xu, H Zhang, D Cai, W Lam - arXiv preprint arXiv:2105.11776, 2021 - arxiv.org
Knowledge retrieval and reasoning are two key stages in multi-hop question answering (QA)
at web scale. Existing approaches suffer from low confidence when retrieving evidence facts …

An effective and efficient entity alignment decoding algorithm via third-order tensor isomorphism

X Mao, M Ma, H Yuan, J Zhu, Z Wang… - Proceedings of the …, 2022 - aclanthology.org
Entity alignment (EA) aims to discover the equivalent entity pairs between KGs, which is a
crucial step for integrating multi-source KGs. For a long time, most researchers have …

Answering open-domain questions of varying reasoning steps from text

P Qi, H Lee, O Sido, CD Manning - arXiv preprint arXiv:2010.12527, 2020 - arxiv.org
We develop a unified system to answer directly from text open-domain questions that may
require a varying number of retrieval steps. We employ a single multi-task transformer model …

Are negative samples necessary in entity alignment? An approach with high performance, scalability and robustness

X Mao, W Wang, Y Wu, M Lan - Proceedings of the 30th ACM …, 2021 - dl.acm.org
Entity alignment (EA) aims to find the equivalent entities in different KGs, which is a crucial
step in integrating multiple KGs. However, most existing EA methods have poor scalability …

Representation learning for knowledge fusion and reasoning in Cyber–Physical–Social Systems: Survey and perspectives

J Yang, LT Yang, H Wang, Y Gao, Y Zhao, X Xie, Y Lu - Information Fusion, 2023 - Elsevier
The digital deep integration of cyber space, physical space and social space facilitates the
formation of Cyber–Physical–Social Systems (CPSS). Knowledge empowers CPSS to be …