Ownership in User Posted Materials and Grant of Rights to PTP.</strong> You represent that you are the sole owner of all rights in materials posted by you (including all related copyrights) or that you have the absolute right to license their use as provided in this section. While you will retain ownership of the copyright in the materials posted by you, you agree that all materials posted by you shall become part of a database, and that we will own the compilation copyright in that database.