I always understood that in BIBFRAME - Work == WE - Instance == MI Thanks, Shlomo Sent from my iPad On May 12, 2013, at 8:34, "Vinod Chachra" <[log in to unmask]<mailto:[log in to unmask]>> wrote: Tami�s comment below raises two points. 1) In the implementation of FRBR we had to use �super works� to link works together. I wonder if this will also be necessary in BibFrame to link related works together. At present the only objects that allows different works to be �linked� together are authorities (subjects and creators). So do we treat �super works� as a different type of authority? 2) Based on the BibFrame mappings that I have seen, it appears to me that the �instance� in BibFrame covers both the �expression� and �manifestation� aspects of FRBR. Is this correct? Thanks. Vinod. Vinod Chachra President and CEO VTLS inc. Blacksburg, VA 24060 Phone 540-449-3000 From: Bibliographic Framework Transition Initiative Forum [mailto:[log in to unmask]<mailto:[log in to unmask]>] On Behalf Of Tami Ezra Sent: Sunday, May 12, 2013 12:45 AM To: [log in to unmask]<mailto:[log in to unmask]> Subject: [BIBFRAME] Basic question about Work Hi, Does the BIBFRAME �work� include different expressions (as in FRBR) � for example different translations? I think not as I would expect a translation to be considered a different �conceptual essence� (albeit a related one) but I haven�t been able to find this stated explicitly. If I have understood this correctly will it be possible to express links between works � e.g different translations? Thanks Tami Tami Ezra Senior Business Analyst, URD� Ex Libris +972-544419592 [log in to unmask]<mailto:[log in to unmask]>