DatasetAdded By Infochimps
From front page:
> In the new tradition of Wikipedia, WikiPathways is an open, public platform dedicated to the curation of biological pathways by and for the scientific community.
In December 2008 WikiPathways [switched](http://scienceblogs.com/commonknowledge/2008/12/getting_it_right_wikipathways_1.php) to CC-BY, which is compliant with the [Open Knowledge Definition](http://opendefinition.org). On the [license terms](http://www.wikipathways.org/index.php/WikiPathways:License_Terms) page it says: