Dear Sean,
 
Thanks a lot for your prompt reply! 
 
I think the main concern is not the citation issue. That should be OK. I have rapidly checked the "GNU GENERAL PUBLIC LICENSE" under which R packages are released. If I understand correctly, it is more about COPYING, DISTRIBUTION and MODIFICATION program itself, rather than the outputs from using program.
 
Take the famous package (e0171) as an example. Without doubt, it is under the licence GPL-2, however, I also find massive patents of SVM application in the biomedical field.  Maybe, it is rather a question for intellectual property protection specialists.
 
Thanks again!
 
Qinghua



________________________________
发件人： Sean Davis <seandavi@gmail.com>

抄 送： bioconductor@stat.math.ethz.ch; qinghua.xu@as.biomerieux.com
发送日期： 2009/12/14 (周一) 8:38:58 下午
主 题： Re: [BioC] Patent issues of classification algorithms


> Dear all,
>
> I would like to know is there any patent related concern when try to publish a microarray study using different classification algorithms, like KNNs, Random Forest, Support Vector Machine and so on?
>
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A couple of places to look:

In the DESCRIPTION of each package available for R, there is a license
line that may be useful for determining the license under which the
software is released.  More importantly, though, is probably the
citation() entry, which gives the citations for the package that
should be cited if the package is used in a publication.

As for patents, I'm not sure how important that is from a user
perspective; perhaps others want to comment here.

Sean

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