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This explains why one would use rdfs:label and why it is used in Example 2,
but not why rdfs:label is used in Example 1 or 6, where bf:mainTitle would
also apparently work. Is the point in these examples that rdfs:label can be
used under bf:title without declaring whether or not the title given is a
bf:mainTitle, which may not have been determined?

Stephen



On Thu, May 26, 2016 at 11:25 AM, Denenberg, Ray <[log in to unmask]> wrote:

> Joe,  consider the following excerpt from a MODS record:
>
> <titleInfo>
>
> <title>Private Eyeballs</title>
>
> <subTitle>a golden treasury of bad taste</subTitle>
>
> </titleInfo>
>
>
>
> …. and note that  <title> in MODS corresponds to BIBFRAME mainTitle so you
> could look at this as:
>
> <titleInfo>
>
> <mainTitle>Private Eyeballs</mainTitle>
>
> <subTitle>a golden treasury of bad taste</subTitle>
>
> </titleInfo>
>
> (Even though there is no <mainTitle> element in MODS, pretend there is.)
>
>
>
> So if you want to make this into a BIBFRAME title, the lazy way to do it
> might be to construct a title string from the main and sub title:
>
>
>
> bf:title [rdfs:label “Private Eyeballs - a golden treasury of bad taste”]
>
>
>
>
>
> Or, you could parse out the main and sub titles:
>
>
>
> bf:title [
>
> bf:mainTitle "Private Eyeballs" ;
>
> bf:subtitle "golden treasury of bad taste" ] .
>
>
>
> Or you could provide both the title string as well as the parsed title:
>
>
>
> bf:title [
>
> rdfs:label “Private Eyeballs - a golden treasury of bad taste” ;
>
> bf:mainTitle "Private Eyeballs" ;
>
> bf:subtitle "golden treasury of bad taste" ]  .
>
>
>
>
>
> Let’s take another example.  In this MODS record, only the main title is
> expressed:
>
>
>
> <titleInfo>
>
>      <title>Reflexive interpreters and autobiographical texts</title>
>
> </titleInfo>
>
>
>
> So the mainTitle is “Reflexive interpreters and autobiographical texts”.
> You could express this in BIBFRAME as the mainTitle, but only if you use
> that string verbatim.
>
> You could express the string:
>
>      “Reflexive interpreters and autobiographical texts – English – 1977”
>
>
>
> But in this case you would express it as a label, not as the mainTitle
> because it is not the main title.
>
>
>
> Hope that helps.
>
>
>
> Ray
>
>
>
>
>
>
>
> *From:* Bibliographic Framework Transition Initiative Forum [mailto:
> [log in to unmask]] *On Behalf Of *Joseph Kiegel
> *Sent:* Thursday, May 26, 2016 11:34 AM
> *To:* [log in to unmask]
> *Subject:* [BIBFRAME] bf:mainTitle
>
>
>
> It would be helpful to have more information on the use of bf:mainTitle as
> opposed to rdfs:label.
>
>
>
> The Titles specification (
> https://www.loc.gov/bibframe/docs/pdf/bf2-titles-apr2016.pdf) uses both
> in the examples.  Specifically, examples 2-5 use bf:mainTitle to hold the
> title string.  It seems that examples 1 and 6 could as well.  The
> definition of bf:mainTitle is quite broad:  “Title being addressed.
> Possible title component”.
>
>
>
> Alternate Example 1:
>
>
>
> bf:title [
>
> a bf:Title , bf:WorkTitle ;
>
> bf:mainTitle "Reflexive interpreters and autobiographical texts" ] .
>
>
>
>
>
> Alternate Example 6:
>
>
>
> bf:title [
>
> a bf:Title , bf: VariantTitle ;
>
> bf:mainTitle “Chartbook on aging” ;
>
> bf:variantType “spine “ ] .
>
>
>
>
>
> What are the criteria for using bf:mainTitle vs. rdfs:label?
>
>
>
>
>



-- 
Stephen Hearn, Metadata Strategist
Data Management & Access, University Libraries
University of Minnesota
160 Wilson Library
309 19th Avenue South
Minneapolis, MN 55455
Ph: 612-625-2328
Fx: 612-625-3428
ORCID:  0000-0002-3590-1242