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BIBFRAME  July 2014

BIBFRAME July 2014

Subject:

Re: bf:Title Was: [BIBFRAME] BibFrame and Linked Data: Identifiers

From:

"[log in to unmask]" <[log in to unmask]>

Reply-To:

Bibliographic Framework Transition Initiative Forum <[log in to unmask]>

Date:

Fri, 25 Jul 2014 13:35:02 -0400

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> Yet one of the biggest problems in translating MARC to [anything else] is that because the data has only been expressed as text strings, no consistency checking has been done on the content. That 245 $p could have anything at all in it, including Aunt Martha's apple pie recipe. 


A-men. Even in places where one might expect to find a reasonably controlled field of values (say, MARC 651) one finds in any selection of real data an incredible variety of… interesting choices.

As a side note, this tug-of-war between legacy investment and opportunity at the frontier isn't new, to say the least. Here:

http://www.dlib.org/dlib/january07/coyle/01coyle.html

is an excellent article from Karen Coyle from seven years ago examining some of the same kinds of tensions in the development of RDA. I hope that Bibframe can learn from that experience.

---
A. Soroka
The University of Virginia Library

On Jul 25, 2014, at 1:09 PM, Karen Coyle <[log in to unmask]> wrote:

> Straight translations from MARC to [anything else] don't make sense unless you analyze not just the MARC coding but the intention and meaning behind the data element. (I covered this is in a code4lib journal article, to some extent.[1]) That some bit of data was broken up in a certain way in MARC is not necessarily meaningful in other situations. Title is a good example, and Thomale shows how hard it is to make sense based on MARC subfields.[2] One other example is personal author: the x00 field has a dozen or more subfields to encoding personal author data. In other MARC fields, all of that information is placed in a single subfield (because of the limit of 26 data subfields per tag).
> 
> 100 $aHamilton, Milton W. $q(Milton Wheaton), $d1901-
> 773	$aHamilton, Milton W. (Milton Wheaton), 1901-	
> 
> Yet one of the biggest problems in translating MARC to [anything else] is that because the data has only been expressed as text strings, no consistency checking has been done on the content. That 245 $p could have anything at all in it, including Aunt Martha's apple pie recipe. 
> 
> Developing a future format based on this data is a formula for failure, I'm afraid. Yes, we will need to translate our old data to some new form, but that is not the same as developing a new format intended to mimic the data of old one.
> 
> kc
> 
> [1] http://journal.code4lib.org/articles/5468 "MARC21 as Data: A Start"
> [2] http://journal.code4lib.org/articles/3832 "Interpreting MARC: Where's the Bibliographic Data?"
> 
> On 7/25/14, 9:30 AM, Robert Sanderson wrote:
>> 
>> +1 to all of these :) And to add:
>> 
>> 0)  http://bibframe.org/vocab/Title.html
>> 
>> Do we need a title resource at all, or is a string sufficient?
>> 
>> 
>> On Fri, Jul 25, 2014 at 8:28 AM, [log in to unmask] <[log in to unmask]> wrote:
>> Having now for the first time taken a close look at bf:Title, I'm a bit taken aback.
>> 1) http://bibframe.org/vocab/titleValue.html: "Title being addressed."
>> 
>> According to my deproliferation, I read this as "value".  And hence the actual string that's being turned into a resource.
>> If there's a need for a bf:Title (per 0) then there's a need for the value.
>> 
>> I think the question is, if there is a need, is this the entire title or only some part of it that's being decomposed into the resource.
>> 
>> Otherwise ... 
>> 
>> What is the purpose of this specialized property in the face of the bf:label that is available to all bf:Resources? What would cause someone to use it? Is this just MARC 2045$a in a new format?
>> 
>> Yes. Or is it $a plus $b?  Or does $b go in partTitle, but then where does $p go?  If we're recomposing, lets do it right :)
>> 
>> 1.5) http://bibframe.org/vocab/title.html and http://bibframe.org/vocab/titleStatement.html
>> 
>> What about getting rid of bf:title and bf:titleStatement, and just using bf:label?  Quite independently of any other decision regarding titles as resources and their attributes.
>> 
>>  
>> 2) http://bibframe.org/vocab/titleQualifier.html: "Qualifier of title information to make it unique."
>> 
>> Working for the uniqueness of labels goes very much against the practice of Linked Data. The Title entity is already possessed of an identifier. If anything more is needed to ensure uniqueness, isn't something badly wrong with the identifier?
>> 
>> +1.  As currently described, titleQualifier seems to do more harm than good.  There's no example, so it's hard to tell exactly what's going on.
>> 
>> Is this just 245 $v?
>> 
>>  
>> 3) http://bibframe.org/vocab/partNumber.html and http://bibframe.org/vocab/partTitle.html
>> 
>> Is there any purpose to this distinction or is this just a case of MARC 245$n and $p being mechanically preserved? In fact these two properties have the same range.
>> 
>> +1.  If partNumber is really a number (which I don't think it is, as $n can hold "Part One") then it could be xsd:integer. Can a single title have both a partNumber and a partTitle?
>> 
>> 3.5)  See question about $b
>> 
>>  
>> 4) http://bibframe.org/vocab/formDesignation.html: "Class or genre to which a Work or Instance belongs."
>> and
>> http://bibframe.org/vocab/titleAttribute.html: "Other distinguishing characteristic of a work, such as version, etc.."
>> 
>> These seem very strange to me. In what way are these properties of a title at all? Is this just a mechanical transfer from MARC 245$k and $s? This seems to be information that should be recorded on the Work or Instance.
>> 
>> In order and in my opinion: No, Yes, Definitely :)
>> 
>> Same with copyright from Provider?  (Or better decompose provider back on to the Instance)
>> 
>>  
>> Rob
> 
> -- 
> Karen Coyle
> 
> [log in to unmask] http://kcoyle.net
> 
> m: 1-510-435-8234
> skype: kcoylenet
> 

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