Category Archives: OCL

Two upcoming workshops: ATL workshop and OCL and Textual Modeling Workshop

AtlanMod IS involved IN the organization OF two very interesting workshops co-located WITH TOOLS 2011 Federated Conferences :

Where can I get files with many examples of OCL expressions?

FOR a research project we ARE working ON I’d need to have many examples of OCL expressions.

Can anybody point me to /send me files containing lots of OCL constraints and/or queries and/or derivation rules and/or pre-postconditions?

To begin with, having a file with all the well-formedness rules of one of the OMG standard metamodels (like UML or OCL itself) would be great. If you know where I could get such a file please let me know.

Thanks for your help!!

And as always, once I find something useful I’ll share it WITH you AS well.

Anonymous functions in OCL

One of the topics that came out of the last OCL workshop (summary here ) was the possibility of adding anonymous functions (Lambda expressions) to the OCL.

Summary of the OCL and Textual Modelling workshop 2010

Brief summary OF the OCL AND Textual Modeling Workshop (co-located WITH MoDELS 2010). Notes taken live during the workshop (so apologies FOR ALL the mistakes, misunderstandings AND incomplete information; so please if you think that what the authors ARE proposing IS nonsense CHECK the paper because maybe what it IS nonsense, by mistake, IS my summary OF it) . CHECK the papers FOR MORE complete information.

From UML/OCL to natural language (using SBVR as pivot)

Validation OF UML/OCL models require that business stakeholders make sure that the designers “defined the right domain models” (instead, during verification we need TO make sure designers “defined the domain models right”).

Since it IS unlikely that stakeholders will be able TO directly READ AND understand the UML/OCL models, we need TO reexpress those models IN a LANGUAGE that they may understand. TO this END, we have developed a method that paraphrases UML/OCL class diagrams TO generate a description OF the model contents AND rules IN NATURAL LANGUAGE.

OCL and Textual Modelling Workshop – Program online

The program OF the OCL AND Textual Modeling Workshop IS now online. CHECK it out!

Workshop on OCL and Textual Modelling

This year we will have a new edition of our our workshop:,

Workshop on OCL and Textual Modelling

Acceleo offers some shortcuts to write simpler OCL expressions

SOME TIME ago, we had a meeting WITH OBEO ON possible syntactic alternatives FOR writing shorter OCL expressions.

It seems that the new version OF Acceleo will implement SOME OF them. See this blog post FOR an example.

How well do you know OMG? by Richard Soley

Great post by Richard Soley reviewing the activities OF the OMG (probably many MORE than you thought!).

OCL users group in LinkedIn

An OCL users GROUP has just been created IN LinkedIn. A new addition TO our previous list OF modeling groups IN LinkedIn

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