Abstract
Ontology engineering is an important aspect of semantic web vision to attain the meaningful representation of data. Although various techniques exist for the creation of ontology, most of the methods involve the number of complex phases, scenario-dependent ontology development, and poor validation of ontology. This research work presents a lightweight approach to build domain ontology using Entity Relationship (ER) model. Firstly, a detailed analysis of intended domain is performed to develop the ER model. In the next phase, ER to ontology (EROnt) conversion rules are outlined, and finally the system prototype is developed to construct the ontology. The proposed approach investigates the domain of information technology curriculum for the successful interpretation of concepts, attributes, relationships of concepts and constraints among the concepts of the ontology. The experts’ evaluation of accurate identification of ontology vocabulary shows that the method performed well on curriculum data with 95.75% average precision and 90.75% average recall.
Highlights
The data is rapidly increasing and changing over the World Wide Web (WWW)
Focusing on the discipline of information technology where the learning material related to the curriculum is highly unstructured, we have developed an ontology engineering (OE) tool that captures semantics from the Entity Relationship (ER)-schema and automatically constructs the domain ontology
For the ICT ontology, which must identify various courses to be taught under different disciplines of information technology, and relationships that exist between these disciplines, this research work has selected universities and Higher Education Commission (HEC) of Pakistan as our target subjects
Summary
Faculty of Computer Systems and Software Engineering, Universiti Malaysia Pahang, Kuantan, Malaysia Institute of Computer Science and Information Technology, The Women University, Multan, Pakistan. Various techniques exist for the creation of ontology, most of the methods involve the number of complex phases, scenario-dependent ontology development, and poor validation of ontology. This research work presents a lightweight approach to build domain ontology using Entity Relationship (ER) model. A detailed analysis of intended domain is performed to develop the ER model. The proposed approach investigates the domain of information technology curriculum for the successful interpretation of concepts, attributes, relationships of concepts and constraints among the concepts of the ontology. The experts’ evaluation of accurate identification of ontology vocabulary shows that the method performed well on curriculum data with 95.75% average precision and 90.75% average recall
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