Quantitative comparison of search results in Google Scholar, Scopus and Web of Science. Presented with Eric Sieverts (@sieverts) at Internet Librarian International, October 30-31, London.

1. Bianca Kramer Eric Sieverts
@MsPhelps @sieverts

4. Quantitative comparison
Quant
User perspective
Search queries

5. Medicine
Physics
Biology
Social sciences Quant
Geosciences
Humanities
Law

6. Medicine acromioclavicular joint fracture surgery
Physics dangling bond passivation amorphous silicon
Biology greenhouse emission dairy cattle
Social sciences "verbal memory" children dyslexia
Geosciences ethnicity "residential areas"
Humanities modern literature cultural continuity
Law "sarbanes oxley" compliance legislation

7. Overlap Scopus / Web of Science

8. 7 search queries

9. Medicine Physics Biology
Geosciences Social sciences Law Humanities

10. Scopus / WoS results found in Google Scholar ?

11. 7 search queries
← results Scopus / WoS
publications
#

12. ← results Scopus / WoS
publications
#

13. ← results Scopus / WoS
publications
#

14. ← results Scopus / WoS
publications
#

15. ← results Scopus / WoS
publications
#

16. ← results Scopus / WoS

17. Medicine Physics Biology
Geosciences Social sciences Law Humanities

18. 1st 100 Google Scholar results: in Scopus / WoS ?

19. 7 search queries Scopus

20. 7 search queries Web of Science

21. Scopus Medicine Physics Biology
Geosciences Social sciences Law Humanities

22. Web of Science Medicine Physics Biology
Geosciences Social sciences Law Humanities

23. Differences Google Scholar / Scopus / WoS

24. coverage ranking

25. title / abstract
author
coverage ranking indexing indexing
keywords
full text

26. title, abstract, keywords
coverage
search
search
ranking indexing
fields
fields
anywhere in the article

27. # search terms
AND / OR
query
search query
coverage ranking indexing
indexing
lemmatizationprocessing
fields
processing
quotation marks

28. Quant