Abstract A new semi-automated approach for generating sequence diagrams from Arabic user requirements is presented. In this novel approach, the Arabic user requirements are parsed using a natural language processing tool called MADA+TOKAN to generate the Part Of Speech (POS) tags of the parsed user requirements, then a set of heuristics are applied on the resulted tags to obtain the sequence diagram components; objects, messages and work flow transitions (messages). The generated sequence diagram is expressed using Extensible Markup Language (XMI) to be drawn using sequence diagrams drawing tools. Our approach achieves better results than students in generating sequence diagrams. It also has better accuracy in generating the participants and less accuracy in generating messages exchanged between participants. The proposed approach is validated using a set of experiments involving a set of real cases evaluated by a group of software engineers and a group of graduate students who are familiar with sequence diagrams.

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[22] Yue T., Briand L., and Labiche Y., “Automatically Deriving UML Sequence Diagrams from Use Cases,” Technical Report 2010-04, Carleton University, 2010. Nermeen Alami received her BS in Information Technology and MS in Informatics from Palestine Polytechnic University in 2016. She worked as a teaching assistant at department of Computer Science and IT, Palestine Polytechnic University. Nabil Arman is a Computer Science professor at Palestine Polytechnic University. He received his BS in Computer Science with high honours from Yarmouk University, Jordan in 1990 and an MS in Computer Science from The American University of Washington, DC USA in 1997, and his PhD from George Mason University, Virginia, USA in 2000. Dr. Arman is interested in Database and Knowledge-Base Systems, Algorithms, and Automated Software Engineering. Faisal Khamayseh is a Computer Science associate professor at Palestine Polytechnic University. He received his BS and MS in Computer Science from Southern Illinois University, USA 1995 and his PhD in Computers and Information Systems from the College of Computers and Information, Helwan University, Egypt, in 2009. He is a faculty member at the Department of Computer Science and IT. He is interested in Computer Algorithms and Software Engineering.