[OPEN-ILS-GENERAL] [Evergreen-catalogers] FW: [Z3950FS-L] Expansion of the OCLC Control Number: test records now available

Thu Apr 18 09:25:41 EDT 2013

FYI -- I just uploaded one of the sample files to our test server and the
expanded OCLC number works as expected - we use the OCLC TCN (035) as our
local TCN.

Elaine

  _____  

J. Elaine Hardy
PINES Bibliographic Projects & Metadata Manager
Georgia Public Library Service
1800 Century Place, Ste 150
Atlanta, Ga. 30345-4304

404.235-7128
404.235-7201, fax
ehardy at georgialibraries.org
www.georgialibraries.org
www.georgialibraries.org/pines

From: evergreen-catalogers-bounces at list.evergreen-ils.org
[mailto:evergreen-catalogers-bounces at list.evergreen-ils.org] On Behalf Of
Hardy, Elaine
Sent: Monday, April 08, 2013 10:26 AM
To: Evergreen Catalogers; 'Evergreen Discussion Group'
Subject: [Evergreen-catalogers] FW: [Z3950FS-L] Expansion of the OCLC
Control Number: test records now available

OCLC is making a sample file of records with the expanded control number .
There is a link in the message below.

Elaine

________________________________

J. Elaine Hardy

PINES Bibliographic Projects & Metadata Manager

Georgia Public Library Service

1800 Century Place, Ste 150

Atlanta, Ga. 30345-4304

404.235-7128

404.235-7201, fax

ehardy at georgialibraries.org

www.georgialibraries.org

www.georgialibraries.org/pines

-----Original Message-----
From: OCLC FirstSearch Z39.50 Announcements [mailto:Z3950FS-L at OCLC.ORG] On
Behalf Of Hendricks,Dawn
Sent: Friday, April 05, 2013 4:00 PM
To: Z3950FS-L at OCLC.ORG
Subject: [Z3950FS-L] Expansion of the OCLC Control Number: test records
now available

WorldCat continues to grow! OCLC Control Numbers are assigned to WorldCat
bibliographic records, including Institution Records. As previously
announced, the OCLC Control Number is anticipated to reach 1 billion
sometime after July 1, 2013. The actual date that the number will be
reached is unknown; it is now anticipated to be some months after July
2013. At that point, OCLC will increase the length of the OCLC Control
Number to accommodate a variable-length number string. If you use and/or
store OCLC MARC bibliographic records and the OCLC Control Number, you
will notice a change when the OCLC Control Number 1 billion is reached.
Sample files are now available for use in testing your systems.  

What action should you take?

If you use and/or store OCLC MARC bibliographic records and the OCLC
Control Number, you will notice a change when the OCLC Control Number 1
billion is reached sometime after July 1, 2013. You will need to check the
systems at your institution that use OCLC MARC bibliographic records and
the OCLC Control Number. You may need to implement changes to ensure those
systems will be able to successfully handle the longer OCLC Control
Number. OCLC recommends that you ensure your systems are ready effective
July 1, 2013.

Sample files now available for testing

We have made sample files available for use in testing your systems. The
files contain sample MARC bibliographic records with expanded OCLC Control
Numbers, and are available for download on the OCLC Control Number
expansion website (
<http://www.oclc.org/batchload/controlnumber/number-expansion.en.html>
http://www.oclc.org/batchload/controlnumber/number-expansion.en.html).

Library staff who may need to be aware of this change include:

*             Cataloging and IT librarians who download OCLC MARC

bibliographic records to the library's local system

*             Resource sharing librarians who use third-party ILL
management

programs that store or use the OCLC Control Number for searching

*             Reference services librarians who use WorldCat Local to help

patrons locate items. 

Publishers, vendors and others that partner with OCLC who may need to be
aware of this change include:  

*             Integrated Library Service (ILS) vendors that use OCLC MARC

bibliographic records to test compatibility with OCLC     

*             Publishers, material suppliers and electronic content
providers

that use OCLC MARC bibliographic records in their systems  

*             Developers who maintain services that use the OCLC Control

Number.

Format of the OCLC Control Number

The OCLC Control Number resides in the MARC 001 field and may also be
stored in other fields. The OCLC Control Number in the 001 field is
formatted as follows: 

OCLC Control Numbers 1 through 99999999:

*             "ocm" prefix 

*             oclc control number, 8 digits, right-justified with leading

zeros 

*             A blank space as the last character

Example: ocm00012345 

OCLC Control Numbers 100000000 to 999999999:

*             "ocn" prefix 

*             oclc control number, 9 digits

Example: ocn123456789 

OCLC Control Numbers 1000000000 and higher:

*             "on" prefix 

*             oclc control number, 10 or more digits

Example: on1234567890 or on1234567890123 

In the 035 field, the OCLC Control Number is usually stored with the
prefix (OCoLC) and without the "ocm," "ocn" or "on" prefixes; for

example: (OCoLC)1234567890.

When this change takes place

The "on" prefix will be used to identify OCLC Control Numbers that contain
ten or more digits. Eight- and nine-digit OCLC Control Numbers will
continue to use the "ocn" or "ocm" prefix as described above. The update
to the OCLC Control Number is backward-compatible so that previously
defined OCLC Control Numbers will not be impacted. Previously assigned
OCLC Control Numbers will continue to work as before.

For more information

Additional technical information and sample files for downloading are
available on the OCLC Control Number expansion website (
<http://www.oclc.org/batchload/controlnumber/number-expansion.en.html>
http://www.oclc.org/batchload/controlnumber/number-expansion.en.html).

Please visit the Web

( <http://www.oclc.org/batchload/controlnumber.en.html>
http://www.oclc.org/batchload/controlnumber.en.html) to learn how OCLC
Control Numbers are created and how OCLC Batchload services give libraries
the ability to match, merge, format and synchronize OCLC Control Numbers
between their local systems and WorldCat. To see new OCLC Control Numbers
when they are assigned, visit Watch WorldCat Grow (
<http://www.oclc.org/worldcat/newgrow.htm>
http://www.oclc.org/worldcat/newgrow.htm). If you have questions, please
contact us at  <mailto:support at oclc.org> support at oclc.org or
1-800-848-5800 (USA) or 1-614-793-8682.

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