Contributors are users managed by the cluster administrators that can collaborate in order to create and update the cluster thesaurus.

Site administrators should add this copyright announcement in the My Account page:

Important note: When you edit the content of this cluster, you agree to release your copyrights to the cluster owner or directly into the public domain if the cluster is already set for the Public Domain. If you don't want this or can't do this because of license restrictions, please don't edit.Cluster owners may release the content of their clusters into the Public Domain at any time if they choose so.
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