User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath |...
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![Page 1: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/1.jpg)
User Search Terms and Controlled Subject Vocabularies in an Institutional Repository
Scott Hanrath | [email protected] |@rshanrath
Erik Radio | [email protected]
University of Kansas Libraries
![Page 2: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/2.jpg)
What is this all about?
![Page 3: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/3.jpg)
KU ScholarWorks and FAST
![Page 4: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/4.jpg)
User Search QueriesUser Queries FAST
User Queries Item Metadata
![Page 5: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/5.jpg)
User Search Queries
Google Analytics Segment:
• Landing Page = Item simple record page
• Next interaction = “BitStream Click” Event
• Keyword from Search Source is set
![Page 6: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/6.jpg)
![Page 7: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/7.jpg)
User Search Queries
• 4 month period, January - April 2015:
• 2,209 Query – Item combinations
• ~ 15% of the total BitStream Click Events recorded
![Page 8: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/8.jpg)
Reconciling Queries Against FAST
• Open Refine• Ted Lawless’ refine reconciliation service
using the assignFast API:
https://github.com/lawlesst/fast-reconcile
http://www.oclc.org/developer/develop/web-services/fast-api/assign-fast.en.html
![Page 9: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/9.jpg)
Reconciling Queries Against FAST
baba yaga
![Page 10: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/10.jpg)
Image: http://commons.wikimedia.org/wiki/File:Bilibin._Baba_Yaga.jpg
![Page 11: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/11.jpg)
# of Queries Auto-Reconciled Against FAST
46 of 2209 (2%)
![Page 12: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/12.jpg)
Manually-split Queries
• Sample of 300 queries. • 97 (32%) were split.
cognitive disability
internet
cognitive disability and internet
![Page 13: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/13.jpg)
# of Manually-split Queries Auto-Reconciled Against FAST
84 of 300 (28%)
![Page 14: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/14.jpg)
Other Ways to Classify the Sampled Queries
• Known Item Searches
• Google Scholar Related Item Searches
• Query similarity to Item Metadata
![Page 15: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/15.jpg)
Known Item Searches
52 of 300 (17%)
![Page 16: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/16.jpg)
Google Scholar Related-Item Searches (related:[some-id]:scholar.google.com/)
10 of 300 (3%)
![Page 17: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/17.jpg)
Query Similarity to Item Metadata
• Fuzzy string matching: Levenshtein Distance between query and item metadata values for Title and Subjects
• Normalize score by string length, 0 to 100 scale (100 = same string)
• For multi-valued metadata fields, choose best match with query
![Page 18: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/18.jpg)
Japan
Mt. Fuji
Tourism
Environmental Protection
[… more]
Query Similarity to Item Metadata
Querymt fuji tourism
Subjects
Split Query
mt fuji
tourism
Best Score
46
Best Score
100
![Page 19: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/19.jpg)
Query Similarity to Item MetadataField N Not Very Good
(< 75)Pretty Good
(75 to 95)Very Good(95 to 100)
Title 298 91.6% 3.0% 5.4%
Subjects 197 95% 1.5% 2.5%
Subjects, Split Queries
197 87.8% 3.0% 9.1%
![Page 20: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/20.jpg)
Summary and Next Steps
![Page 21: User Search Terms and Controlled Subject Vocabularies in an Institutional Repository Scott Hanrath | shanrath@ku.edu |@rshanrath Erik Radio | radio@ku.edu.](https://reader036.fdocuments.us/reader036/viewer/2022062715/56649d745503460f94a53800/html5/thumbnails/21.jpg)
?Scott Hanrath | [email protected] |@rshanrath
Erik Radio | [email protected]
University of Kansas Libraries