On 5/8/09, Xiaoming Liu <[log in to unmask]> wrote:
> On Fri, May 8, 2009 at 3:08 PM, Jonathan Rochkind <[log in to unmask]> wrote:
>
>> I wonder how xID handles superceded OCLCnums, if it'll still succesfully
>> find the right matches for you?
>>
>
> This is documented in
> http://xisbn.worldcat.org/xisbnadmin/xoclcnum/api.htm#deleted
>
>
> "Worldcat uses OCLC Control Number Cross-Reference to track deleted OCLC
> numbers. When an OCLC number is deleted, it's still search-able from this
> service. In the response, we use presentOclcnum to specify present OCLC
> number. For example 2416076 was merged into 24991049, a request of the
> deleted number 2416076 will return:
>
>       <rsp xmlns="http://worldcat.org/xid/xoclcnum/" stat="ok">
>       <oclcnum lccn="34025476" presentOclcnum="24991049">2416076</oclcnum>
>       </rsp>
>
>
> The presentOclcnum field is omitted when an OCLC number is active, so
> request to current OCLC number 24991049 returns:
>
>       <rsp xmlns="http://worldcat.org/xid/xoclcnum/" stat="ok">
>       <oclcnum lccn="34025476" >24991049</oclcnum>
>       </rsp>
>
>
> Xiaoming
>
>
>
>>
>>
>> Ray Denenberg, Library of Congress wrote:
>>
>>> From: "Eric Lease Morgan" <[log in to unmask]>
>>>
>>>
>>>>  1. What MARC field/subfield might I put this string?
>>>>  2. How would I go about getting the string indexed?
>>>>  3. How might I go about querying the server for records with this
>>>> string?
>>>>
>>>>
>>>
>>> I can at least talk about the third question.  There was work on a marc
>>> attribute set, though not completed.  If you look at the oid register at
>>> http://www.loc.gov/z3950/agency/defns/oids.html you'll see that the
>>> latest work on it (second draft) was in 2000,
>>> http://www.nlc-bnc.ca/iso/z3950/MARC_attribute_set_2.doc. So if someone
>>> actually wanted to put it to use it would have to be completed.
>>>
>>> For SRU there is a complete marc context set,
>>> http://www.loc.gov/standards/sru/resources/marc-context-set.html.
>>>
>>> --Ray
>>>
>>>
>>>
>>
>