Presented at MINI ELAG 2021

1. MINI ELAG 2021, online, 2021-06-30.
Péter Király
Gesellschaft für wissenschaftliche Datenverarbeitung mbH Göttingen (GWDG)
Card catalog at Gent University Library, photo: Pieter Morlion, 2010 CC-BY 4.0
https://commons.wikimedia.org/wiki/File:Boekentoren_2010PM_1179_21H9015.JPG
Continuous quality
assessment
for MARC21 catalogues
https://bit.ly/qa-elag-2021

2. 1. ingest
2. measure records
3. aggregate
4. report
5. evaluate with experts
catalogue
improve records
workflow
2
quality assessment tool
https://bit.ly/qa-elag-2021

3. binding semantics
3
control field 1
position 1
position N
data field 1
subfield 1
subfield N
definitions
control field 1
position 1 position N
data field 1
subfield 1 subfield N
value definition
MarcRecord
value definition
value definition
value definition
● name
● URL
● acceptable codes
and their meaning
● value constraints
● indexing rules
● FRBR functions
● historical codes
● dictionaries
● BIBFRAME name
● versions
● other rules
Avram JSON
data model export machine readable format of
MARC standard
https://bit.ly/qa-elag-2021
MARC21 LoC BL Finnish Nat. Lib. German Nat. Lib Czech Nat. Lib ...

4. 4
open to see individual issues
https://bit.ly/qa-elag-2021

5. 5
https://bit.ly/qa-elag-2021

6. 6
link to records with this issue
link to the field definition in MARC standard
ordered by frequency
clicked
https://bit.ly/qa-elag-2021

7. 7
launch a search for 015$a:*
shows a term list of 015$a 015$A is not defined
barchar size proportional to
recor count with subfield
https://bit.ly/qa-elag-2021

8. 8
link to term list
check details
the element which tells us the source of terms (dictionary)
https://bit.ly/qa-elag-2021

9. 9
search
links
the missing step:
resolve to human readable labels
(cooperation with coli-conc and BARTOC)
https://bit.ly/qa-elag-2021

10. 10
in
progress:
ad
hoc
validation
https://bit.ly/qa-elag-2021

11. term #1
term #2 term #4
term #3
term #10
term #5 term #6 term #7
term #9
term #11
term #8
KOS metadata record #1
field #1
field #2
metadata record #2
field #1
field #2
references to
generic concepts
references to
specific concepts
11
plan: deep dive into subject indexing
https://bit.ly/qa-elag-2021

12. references, credits
★ QA catalogue for Gent records: http://gent.qa-catalogue.eu/
★ https://github.com/pkiraly/metadata-qa-marc
★ @kiru, pkiraly@gwdg.de, pkiraly.github.io
Thanks to:
★ Frank Vandepitte, Patrick Hochstenbach, Dries Moreels
(Universiteitsbibliotheek Gent)
★ Victoria Morris, Alan Danskin, Rob Rowbotham, Andrew MacEwan (British
Library)
12
https://bit.ly/qa-elag-2021