Strukturisasi Entity Relationship Diagram dan Data Flow Diagram Berbasis Business Event-Driven

An Implementation of Entity-Relationship Diagram Merging

Entity-Relationship model is an abstract way to describe database. During large scale development, each database designer often focuses on designing a particular part of the system, and the model created by each designer may have overlaps. How to efficiently merge these models to construct a larger model that describes the whole system is an interesting problem. This report explains the impleme...

Uml Class Diagram or Entity Relationship Diagram? an Object-relational Conceptual Impedance Mismatch

It is now nearly 30 years since Peter Chen’s watershed paper “The Entity-Relationship Model – towards a Unified View of Data”. [1] The entity relationship model and variations and extensions to it have been taught in colleges and universities for many years. In his original paper Peter Chen looked at converting his new ER model to the then existing data structure diagrams for the Network model....

A Normal Form Object-Oriented Entity Relationship Diagram

A normal form object-oriented entity relationship (OOER) diagram is presented to address a set of 00 data modelling issues, viz. the inability to judge the quality of an 00 schema, the presence of inheritance conflicts in ISA hierarchies, the lack of explicit support for different relationship types (m;n, n-ary, recursive etc.) in some 00 data models and the lack of general and flexible support...

Knowledge Discovery For Predicting Entity Relationship Diagram Maintainability

It is generally accepted that the quality of the information system (IS) is highly dependent on decisions made early in the IS development. Conceptual data model is a key artifact built at the early phases of the IS life cycle, therefore its quality influence on the quality of IS which is finally implemented. We focus this paper on the maintainability of conceptual data models, because it is on...

A Comparison of Event-driven Process Chains and UML Activity Diagram for Denoting Business Processes