What is Event Knowledge Graph: A Survey

• URL: http://arxiv.org/abs/2112.15280v1
• Date: Fri, 31 Dec 2021 03:42:55 GMT
• Title: What is Event Knowledge Graph: A Survey
• Authors: Saiping Guan, Xueqi Cheng, Long Bai, Fujun Zhang, Zixuan Li, Yutao Zeng, Xiaolong Jin, and Jiafeng Guo
• Abstract summary: This paper provides a comprehensive survey of Event KG (EKG) from history, ontology, instance, and application views. EKG plays an increasingly important role in many machine learning and artificial intelligence applications, such as intelligent search, question-answering, recommendation, and text generation.
• Score: 46.56390787391834
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Besides entity-centric knowledge, usually organized as Knowledge Graph (KG), events are also an essential kind of knowledge in the world, which trigger the spring up of event-centric knowledge representation form like Event KG (EKG). It plays an increasingly important role in many machine learning and artificial intelligence applications, such as intelligent search, question-answering, recommendation, and text generation. This paper provides a comprehensive survey of EKG from history, ontology, instance, and application views. Specifically, to characterize EKG thoroughly, we focus on its history, definitions, schema induction, acquisition, related representative graphs/systems, and applications. The development processes and trends are studied therein. We further summarize perspective directions to facilitate future research on EKG.

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