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"An "executable" UML model is one with a behavioral specification detailed enough that it can effectively be "run" as a program. This can be extremely valuable in order to test and validate the model, independently of the one or more implementation platforms to which the system being modeled will ultimately be deployed. Or, in some cases, the model itself can actually be run as the production implementation, given an appropriate execution environment. There have been model execution tools and environments for years, even before UML. However, each tool defined its own semantics for model execution, often including a proprietary action language, and models developed in one tool could not be interchanged with or interoperate with models developed in another tool. A previous post described Stephen Mellor's quest of more than a decade to change this through OMG standards for precise UML model execution semantics and a UML action language. In 2008, this led to the adoption of the Foundational UML (fUML) specification, providing the first precise operational and base semantics for a subset of UML encompassing most object-oriented and activity modeling. The fUML specification still did not provide any new concrete surface syntax, however, tying the precise semantics solely to the existing abstract syntax model of UML. This meant that, in order to fully specify a detailed behavior in a UML model - say the effect behavior of a transition on a state machine or the method of an operation of a class - one still had to draw a very detailed, graphical activity diagram. "

The default EMF UML2 repository implementation was changed from UML2 1.x to UML2 2.x, in order to support the most current versions of the MagicDraw and Rational tools. Due to conflicting dependencies in the uml libraries, both implementations could not be supported at the same time.

Papyrus is aiming at providing an integrated and user-consumable environment for editing any kind of EMF model and particularly supporting UML and related modeling languages such as SysML and MARTE. Papyrus provides diagram editors for EMF-based modeling languages amongst them UML 2 and SysML and the glue required for integrating these editors (GMF-based or not) with other MBD and MDSD tools. Papyrus also offers a very advanced support of UML profiles that enables users to define editors for DSLs based on the UML 2 standard. The main feature of Papyrus regarding this latter point is a set of very powerful customization mechanisms which can be leveraged to create user-defined Papyrus perspectives and give it the same look and feel as a "pure" DSL editor.

" A forum to dicuss about UML, MDA, MDD and all kinds of topics related to software modeling and model-driven engineering"

 As TOPCASED project leader I want to assess the usage of ours Tools in Academic and industrial projects. This assessment will help us and you to assure credibility of the Topcased projects and tools and then to insure their durability.  To do this "state of the art" could you give me back your usage of  TOPCASED Tools : which tool, for which kind of projects (evaluation, industrial, research) and all information you are able to give to us ? Specially for academics could you give me information about the usage of our tools in engineers trainees or thesis : which cursus at which level, number of student already trained, subject of thesis.  If you need some confidentiality on your information, tell me that and I will remains it for my own.   Thanks to send your Topcased usage returns to patrick.farail at airbus dot com  Thanks a lot to help us on this work I will give you back this results by mail.   Patrick Farail from Airbus TOPCASED Project leader 

UNICASE is a CASE-Tool integrating models from the different development acitivities, such as requirements, use cases, UML models, schedules, bug and feature models into a unified model. This unified model is highly traceable by design. The UNICASE client allows to view and edit these models in a textual, tabular and diagram visualization. The models are stored and versioned on a server comparable to svn but customized for models. Client and server are easily extensible to support integrating new models into the unified model. UNICASE is based on the Eclipse platform including EMF and GMF. It can also be used as a framework to build modeling applications that reuse its repository and visualization capabilities. The project is open-source and released under the Eclipse Public License v 1.0 (EPL). It builds on our experience from the Sysiphus project in building a CASE tool.

Sphinx is a new open source project under the Eclipse Model Development Tools (MDT) subproject to provide an extensible platform that eases the creation of integrated modeling tool environments supporting individual or multiple modeling languages (which can be UML-based or native DSLs) and has a particular focus on industrial strength and interoperability.

" The Web Modelling Language is a visual notation for specifying the content, composition, and navigation features of hypertext applications, building on ER and UML."

"red-open is a sister project of redView. red-open is providing a Software Factory to transform models and generate code. red-open uses Eclipse Modeling (MWE, Xpand, Xtend to transform Domain Models (EMF, UML, XSD, Xtext) into other models like redView View Models. red-open also generates code and artifacts to generate RCP Prototyping apps, SWT Views, MockUp, Riena Navigation Assembly... "

Modeling is supposed to be one of the most important activities in any software development process. At least this is the general understanding within the software engineering research community. However, in the day-to-day practice, modeling is usually regarded as, basically, a waste of time.