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Experimental comparison of UML-HAZOP inspection and non-structured review

Jarzębowicz A., Górski J.

Foundations of Computing and Decision Sciences

2005

Vol. 30, No. 1

29-38

The paper describes an experiment conducted in the academic environment with participation of students from Gdańsk University of Technology. The aim of the experiment was to compare two review techniques: inspection based on the UML-HAZOP method and a non-structured review. Effectiveness and efficiency of both methods were measured and compared. The paper presents the schedule, realisation and results of the experiment. An introduction to reviews and inspections as well as a brief description of the UML-HAZOP method are also included.

Detecting defects in object-oriented diagrams using UML-HAZOP

Górski J., Jarzębowicz A.

Foundations of Computing and Decision Sciences

2002

Vol. 27, No. 4

197-210

The paper presents a method supporting detection of defects in UML based software documentation. The method named UML-HAZOP is the adoption of HAZOP (Hazard and Operability Studies) - a technique widely applied to safety-related systems, and concentrates on analysing "flows" between system's components in order to detect anomalies related to these flows. The adoption of HAZOP to UML diagram analysis required defining proper interpretations of "flows" and "anomalies" with respect to each UML diagram. At present, UML-HAZOP has been defined and checked in some industrial case studies for class diagrams. Further works aim to extend it to other UML diagrams. This paper describes the method and the results of some experiments related to its application to two real systems: a billing system of a telephone exchange and a management support system.