Use of Tabular Analysis Method to Construct UML Sequence Diagrams. - Margaret Hilsbos; Il-Yeol Song (ER, 2004)

A Comparative Analysis of Use Case Relationships. - Margaret Hilsbos; Il-Yeol Song; Yoo Choi (ER (Workshops), 2005)

A Multi-level Methodology for Developing UML Sequence Diagrams. - Il-Yeol Song; Ritu Khare; Yuan An; Margaret Hilsbos (ER, 2008)