Another issue, cited by Byrne and Goddard, is that of privacy. “Librarians, with their long tradition of protecting the privacy of patrons, will have to take an active role in linked data development to ensure rights are protected.”48 Issues of copyright and ownership, something libraries already grapple with in the licensing of various library journals, databases, and other electronic resources, may be insurmountable. “Libraries no longer own much of the content they provide to users; rather it is subscribed to from a variety of vendors. Not only does that mean that vendors will have to make their data available in linked data formats for improvements to federated search to happen, but a mix of licensed and free content in a linked data environment would be extremely