•  Peter Pin-Shan Chen is an American computer scientist who was  born in Taichung .
  • Currently, he is Adjunct Professor at in the Computer Science Department and Emeritus Professor in the College of Business.
  • Prof. Peter Chen received his Ph.D. from Harvard University and has held regular and visiting faculty appointments at MIT, UCLA and Harvard.
  • He is the originator of the Entity-Relationship Model (ER Model), Dr. Chen is a Fellow of the IEEE, the ACM, AAAS, and the ER Institute.
  • He is a member of the European Academy of Sciences.
  • He is the recipient of prestigious awards in several fields of Information Technology (IT): data management, information management, software engineering, and general information science/technology:
  • He is also the Editor-in-Chief of Data & Knowledge Engineering, the Associate Editor for the Journal of Intelligent Robotic Systems, Electronic Government, and other journals. In the past, he was the Associate Editor for IEEE Computer, Information Sciences, and other journals.  Professor Peter Chen was the Principal Investigator of a large NSF-funded multi-disciplinary project on profiling of terrorists and malicious cyber transactions for counter terrorisms and crimes.
  • His original paper on the Entity-Relationship model (ER model) is one of the most cited papers in the computer software field.The ER model also serves as the foundation of some of the recent work on Object-Oriented analysis and design methodologies and Semantic Web.
  •  The UML modeling language has its roots in the ER model. The ER model was adopted as the meta model for the ANSI Standard in Information Resource Directory System (IRDS), and the ER approach has been ranked as the top methodology for database design and one of the top methodologies in systems development.








Eg of E-R Model






Entity Relationship Diagrams  chen