Knowledge Management for Information Querying System in Education via the Combination of Rela-Ops Model and Knowledge Graph

Knowledge Management for Information Querying System in Education via the Combination of Rela-Ops Model and Knowledge Graph

Hien D. Nguyen, Duc Truong, Sang Vu, Diem Nguyen, Hung Nguyen, Nha Thanh Tran
Copyright: © 2023 |Pages: 17
DOI: 10.4018/JCIT.324113
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Abstract

E-learning is an online educational system that uses electronic and technology tools and the internet. To facilitate the acquisition of knowledge, students can consult materials and interact directly with lecturers via e-learning educational systems. The method for developing an intelligent querying system for e-learning is suggested in this research. The knowledge base of the system is structured using the knowledge model combining an ontology and the two-layer knowledge graph, called Rela-KG model. The searching problems for knowledge content are studied and solved. The technique is applied to create an intelligent querying system on the course of Database Foundation in Information Technology (IT) at the university. This technique attempts to assist students in reviewing lectures and better comprehending course material through independent study. The experimental results indicate that it would be anticipated to support student access to online learning resources.
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Information search design can be done in a variety of ways (Do et al., 2020; Liu et al., 2018; Hagedorn et al., 2020). Ontology-based techniques are emerging in educational systems to organize course content and knowledge (Almeida et al., 2019; Nguyen et al., 2020b).

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