This project involves designing a conceptual database schema using the Enhanced Entity-Relationship (EER) model, converting it into a relational schema, and preparing it for implementation in a ...

ER diagrams, or entity-relationship diagrams, are graphical representations of the data and relationships in a database. They are widely used in database design and development, as well as in ...

Entity Relationship (ER) model for database design was developed by Peter Chen of MIT in 1976. This is an intuitive and conceptual representation of the data model. It is normally represented as an ...

In this paper we present an approach to the use-case-driven conceptual design of the relational database completely based on the Unified Modeling Language (UML). We base the initial conceptual model ...

Citation: Si J, Liu C, Ye J, Wu J, Wang J, Hu K, Ju C and Cao Q (2025) Conceptual design of a decision knowledge service model integrating a multi-agent supply relationship diagram for electric power ...