April 2006


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Sean Luke <[log in to unmask]>
Reply To:
MASON Multiagent Simulation Toolkit <[log in to unmask]>
Wed, 5 Apr 2006 12:16:55 -0400
text/plain (2384 bytes) , cfarnham.vcf (149 bytes) , text/plain (-1 MB)
ECJ's original license was a BSD-ish license which additionally  
stipulated that if you used the software, you had to inform me of it  
and also had to acknowledge its use in any significant publications  
derived from the research.  This was affectionately known as the  
"Help Sean Get Tenure" clause.  Now that tenure has passed, it's time  
to change the license to a less amateur license.  Along the way, I  
changed MASON's license as well (it too was an amateur license).   
AFL's the best quality license in the same category as the ones the  
systems already had.


On Apr 5, 2006, at 10:55 AM, Chris Farnham wrote:

> Congratulations on the latest release.  I'm curious about the  
> license change.  What concerns or issues prompted a switch to the AFL?
> Thanks,
> Chris
> -- 
> Christopher Farnham
> Senior Software Engineer
> Decision Management Division
> [log in to unmask]
> 617.491.3474 x562
> Charles River Analytics
> 625 Mount Auburn Street
> Cambridge, MA 02138
> Sean Luke wrote:
>> The George Mason University Evolutionary Computation Laboratory  
>> and Center for Social Complexity announce a new release of the ECJ  
>> evolutionary computation library and MASON multiagent simulation  
>> toolkit.  Both systems have seen major improvements and revisions  
>> since the last release approximately eight months ago.  The two  
>> systems are also being re-licensed under the Academic Free License  
>> version 3.0.
>> ECJ is being released in two versions: a backward-compatable  
>> version (14) and a non-backward-compatible version (15) with  
>> significant framework revisions.  The dual release will  
>> (hopefully) give people some extra time to convert to the new  
>> version.  ECJ 14/15 also has numerous bug-fixes, speed  
>> improvements, and a new package (spatial embedding).
>> ECJ can be found here:
>> ECJ CVS access is also available at SourceForge, but  
>> has experienced a major hardware failure this past  
>> week and CVS access is not expected for several days at the earliest.
>> MASON 11 is a major revision of our multiagent simulator.  It  
>> sports a new charting and tracking facility, several new problem  
>> domains, and a very large number of bug fixes and improvements.
>> MASON can be found here:
>> Sean Luke