RIOXX: RIOXX and metadata only records

" I received the following query from Emma Sansby, Head of Library Services at Bishop Grosseteste University' ... My initial response to this would be to say that RIOXX is designed to allow reporting on the status of open access papers, and that without such a paper to describe, the RIOXX record is effectively meaningless. If the published version of a paper (the ‘version of record’) is itself open access, then the RIOXX record could describe that (the rioxxterms:version_of_record and the dc:identifier properties would contain the same value - a URL pointing to the open access paper.) Is this sufficient answer to Emma’s question? I’d be interested to hear what others think - especially if you have encountered this issue. Please feel free to leave a comment below - even if it is simply to say that this is also a concern for you ..."