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I'm fine with the BL proposals, but in the end we aren't going to solve the problem of undifferentiated name authorities by adding more attribute-based authorized access point qualifiers to RDA. In some cases the evidence for differentiation is so tied to a particular resource (e.g., stray bits of circumstantial information about an author of archival correspondence) or so difficult to express (e.g., a style difference between to identically named contemporary illustrators) that it offers no good basis for an authorized access point qualifier. We need a technique that will ALWAYS enable differentiation, such as the default inclusion of a system number in comparisons when a 1XX heading string is identical to another 1XX and the two identities are distinct in the cataloger's judgment. This may be something that gets done in authority systems, e.g., by a change to the NACO Heading Comparison rules rather than by changes to a rule set like RDA. So I support the BL proposals as a way of making entities more identifiable from authorized access points, but not as a solution to the problem of undifferentiated access. Stephen On Mon, Oct 8, 2012 at 5:35 AM, Moore, Richard <[log in to unmask]> wrote: > I came across n 2012041419, an RDA NAR which has been made into an > undifferentiated name. I think it illustrates the difficulties inherent in > creating undifferentiated NARs under RDA, and the important of being able > to make all authorised personal name access points unique. > > 010 $a n 2012041419 > 040 $a DLC $b eng $c DLC $e rda $d DLC > 1001 $a Zhang, Xiaomei > 374 $a Translator > 377 $a chi $a rus > 4001 $a ÕÅÏþ÷ > 667 $a Non-Latin script reference not evaluated. > 670 $a [Translator of 1955 Nian Xizang ji xing] > 670 $a 1955 Nian Xizang ji xing, 2010:$$bt.p. (ÕÅÏþ÷ = Zhang Xiaomei [in > rom.] translator) > 670 $a [Author of Heilongjiang Sheng guo you lin quan gai ge bao zhang > ti xi yan jiu] > 670 $a Heilongjiang Sheng guo you lin quan gai ge bao zhang ti xi yan > jiu, 2010: $b t.p. (ÕÅÏþ÷ = Zhang Xiaomei) vita (B.A. from Dongbei nong ye da > xue zhi wu bao hu xi in1989; master and doctor degrees in Guan li xue in > 2001 and 2005) > 675 $a HKCAN database, viewed Sep 19, 2012 > > 374 and 377 appear to have been included with the original identity. When > a second identity was added, no further 37X could be added, as it would > immediately have been unclear to whom they referred. > > In this case, should one of the authors subsequently be removed to a new, > differentiated NAR, it is reasonably clear to whom the 37X belong (but only > because none have been added for the second identity). In a record > containing multiple identities, this would not be clear. Worse, if 046/37X > had been added for more than one identity, confusion would ensue, both when > examining the undifferentiated NAR, and in trying to move any identity to a > new, differentiated NAR. The only safe option would be to remove any > existing 046/37X, and not add any more. > > If undifferentiated RDA NARs are to be created, it seems the choice is > between confusion and inaccuracy if discrete data elements are included, > and loss of data if they are not. > > It seems better to aim for an differentiated NAR in every case. The BL has > aimed to do this since our announcement earlier in the year that we would > no longer create undifferentiated NARs. Since then we have pushed our > notion of "Profession or occupation" as far as we consider reasonable, and > find that it mostly works. However, in a small but annoying number of > cases, when information is not available, RDA leaves us short of a > qualifier. This is the reason for the BL RDA change proposals 6/JSC/BL/3 > and 6/JSC/BL/4, which can be found at > http://www.rda-jsc.org/workingnew.html. > > > Regards > Richard > > _________________________ > Richard Moore > Authority Control Team Manager > The British Library > > Tel.: +44 (0)1937 546806 > E-mail: [log in to unmask] > > -- Stephen Hearn, Metadata Strategist Technical Services, University Libraries University of Minnesota 160 Wilson Library 309 19th Avenue South Minneapolis, MN 55455 Ph: 612-625-2328 Fx: 612-625-3428