Knowledge Graphs

@article{Hogan2021KnowledgeG,
  title={Knowledge Graphs},
  author={Aidan Hogan and Eva Blomqvist and Michael Cochez and Claudia d’Amato and Gerard de Melo and Claudio Guti{\'e}rrez and S. Kirrane and Jos{\'e} Emilio Labra Gayo and R. Navigli and Sebastian Neumaier and Axel-Cyrille Ngonga Ngomo and Axel Polleres and Sabbir M. Rashid and Anisa Rula and Lukas Schmelzeisen and Juan Sequeda and Steffen Staab and Antoine Zimmermann},
  journal={ACM Computing Surveys (CSUR)},
  year={2021},
  volume={54},
  pages={1 - 37}
}
In this article, we provide a comprehensive introduction to knowledge graphs, which have recently garnered significant attention from both industry and academia in scenarios that require exploiting diverse, dynamic, large-scale collections of data. After some opening remarks, we motivate and contrast various graph-based data models, as well as languages used to query and validate knowledge graphs. We explain how knowledge can be represented and extracted using a combination of deductive and… 

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