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The University of Massachusetts Lowell (UMass Lowell and UML) is a public research university in Lowell, Massachusetts, with a satellite campus in Haverhill, Massachusetts.It is the northernmost member of the University of Massachusetts public university system and has been accredited by the New England Commission of Higher Education (NECHE) since 1975. [5]
UML logo. The unified modeling language (UML) is a general-purpose visual modeling language that is intended to provide a standard way to visualize the design of a system. [1] UML provides a standard notation for many types of diagrams which can be roughly divided into three main groups: behavior diagrams, interaction diagrams, and structure ...
The UML representation of an association is a line connecting the two associated classes. At each end of the line there is optional notation. For example, we can indicate, using an arrowhead that the pointy end is visible from the arrow tail.
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Web applications are software-intensive systems [5] and UML is among the efficient choice of languages for modeling them. Web software complexity of an application can be minimized using various UML tools. UML-based web engineering aims at offering a UML profile that matches the needs of web development better. The following are examples:
Based on ITU-T Z.109 UML profile, SDL-RT, SDL. The model can be simulated and can be exported to model checking tools. Full testing environment integrated based on TTCN-3. ArgoUML: No Yes Yes Unknown C++, C#, Java, PHP4, PHP5, Ruby Java (other languages with plugins) Unknown Closely follows the UML standard Astah: Yes No Yes Yes
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Examples of predefined UML stereotypes are Actor, Exception, Powertype and Utility. Structure diagram; Superstate - construct allowing several States which share common Transitions and Internal Activities; Swim lane - synonym for Partition; System model - The logical UML model being represented through one or more UML diagrams