De-Duping the ANBD
http://trove.nla.gov.au/work/16053428
How you can help
• Use numbers correctly
• Send as much data in the record as you
can
Why are they a problem
• Makes it harder to find what you are after
• Makes it harder to select what you want
• Makes it harder to request because not all
holdings are on the one record
What are duplicates
• Real duplicates
• Not-duplicates
When cataloguing
Always search the ANBD
first
Only create a new record as a last resort
There is a record on …
• Does this record match the item in hand?
• Should I create a new record?
Is this the right record?
• http://www.nla.gov.au/librariesaustralia/du
plicatesform.html#form
• http://www.oclc.org/bibformats/en/input/def
ault.shtm
Cloning
• Remove numbers: ANBD, LCCN,
OCLC Control Number, ISSN, ISMN, ISBN
(if applicable)
• Correct the 008
• Change the parts of the record that need
to be changed
Duplicates
http://trove.nla.gov.au/work/16053557
What happens if the numbers are
not removed
http://trove.nla.gov.au/work/16051583
What do we do with duplicates
1. Match records during importation via the
Record Import Service (RIS)
Records sent to RIS
Need to have the numbers in the right field
001
Number Type
Example
ANBD Number
001
000045385204
Amicus Number (Kinetica)
001
000000000124
LCCN
001
89186905
OCLC Control numbers
001
ocn286448500
Local System Numbers
001
000000754508
035
Number Type
Example
Local System Numbers 035 ##$a4534976
OCLC Control
Numbers
035 ##$a(OCoLC)1589575
LCCN
035 ##$9(DLC) 94846866
Other numbers
035 ##$a4307
What happens if the numbers are
not in the right field
What do we do with duplicates
• Match records during importation via the
Record Import Service (RIS)
• Run the Duplicate Detection and
Resolution script
http://trove.nla.gov.au/work/16053399
Bibliographic bits
If records are too short
or
for items that are very similar
then automatic matching will not work
We need bibliographic bits
Send as much data in the record as you can
Duplicates
http://trove.nla.gov.au/work/16053557
Limits to duplicate removal
• Records that cannot match
• Records that should have matched
• Records that are waiting to be matched
One last point
We will fix any duplicates that you tell
us about
http://www.nla.gov.au/librariesaustralia/cont
act/index.html
How you can help
• Use numbers correctly
• Send as much data in the record as you
can
• Tell us when you find a duplicate:
http://www.nla.gov.au/librariesaustralia/cont
act/index.html
http://trove.nla.gov.au/work/16052640
Art work by Violet Teague
http://nla.gov.au/nla.party-552986