Dear users,

we are pleased to announce the release of TopBraid Composer 3.0 beta  
2, Standard and Maestro Editions. It is available for download from:

http://www.topquadrant.com/topbraid/composer/tbc-3.0.0.html

Our current plan is for this be the final beta before the upcoming  
General Availability release.

The major new feature compared to beta 1 is the inclusion of a  
personal edition of TopBraid Ensemble (TBE) into TopBraid Composer  
Maestro. The TopBraid team has made significant improvements to the  
architecture of Ensemble, so that it is now a completely model-driven  
rich client application assembly framework. The look and feel of TBE's  
components has also been improved. TBE can be launched locally through  
a web browser while TBC ME is running. For more information on how to  
use Ensemble to create custom applications, please see the new TBE  
Application Development Guide incorporated into the TBC Help.

The help files also provide new resources for Java developers  
including guidance on adding custom SPARQLMotion modules, TopBraid  
extension points and Java APIs.

Other notable new features include the following:

- TopBraid Composer now has a button that can be used to switch the  
whole user interface between displaying resource identifiers (qnames)  
and human-readable labels (rdfs:label and sub-properties thereof).

- SPIN now provides a mechanism for defining new SPARQL functions  
using JavaScript.

- Composer's Graph component can now be used to build SPARQL queries,  
using a visual query-by-example paradigm.

- SPARQLMotion scripts can now be triggered by changes to a model,  
implementing event-condition-action rules.

We look forward to your feedback.
Holger & the TopBraid development team

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