Hi all, Just to enforce this your topic, (which is also so interesting to me..)
On Mon, May 14, 2012 at 10:10 AM, Samuele Kaplun <[email protected]>wrote: > > the point of Alexander is that, according to MARC standard, 024 contains a > DOI > if and only if there is the string "DOI" in $2. Otherwise it could be a > different persistent identifier. > this case absolutely coincide with the UNIMARC 017 "Other Standard Identifier" use case (just with the same use of first indicator and "a" and "2" subfields). > Currently Invenio can not index subfield values in separate indexes > according > to the string existing in an other subfield. > ... Please, also remember the need to index the "Fixed-Length Data Elements" (or "CODED DATA FIELD"), with the possibility to select specific character positions in a given string of coded data. Cheers ! Cristian
