Table 1.

Possible outcomes of data-linking steps, further curation steps to be taken and the number of cases identified in this example dataset.

Name match type	GBIF ID linked to Wikidata item?	Wikidata links GBIF to NCBI ID?	NCBI ID from name matching same as on Wikidata?	Wikidata links NCBI to GBIF ID?	Taxonomic status of name on GBIF	Curation action to take	Count
none	no	-	-	no	-	(a) No matches, including synonyms	1310
none	no	-	-	yes		Other	8
exact	yes	yes	yes	-	-	(b) Match ok, accept automatically	3130
exact	yes	yes	no	-	-	(c) Verify and update NCBI taxonID in Wikidata item	11
exact	yes	no	-	no	-	(d) Batch-add NCBI taxonID to Wikidata item	177
exact	yes	no	-	yes	-	Other	52
exact	no	-	-	yes	“accepted”	(e) Batch-update GBIF taxonID in Wikidata item	245
exact	no	-	-	yes	not “accepted”	(f) Verify if synonym listed in GBIF is valid before linking identifiers	89
noauthor	yes	yes	yes	-	-	(g) Verify if authorships match before linking identifiers	211
noauthor	yes	yes/no	no	-	-	(h) Possible homonym, investigate further	224
author mismatch	yes	yes	yes	-	-	(g) Verify if authorships match before linking identifiers	271
author mismatch	yes	yes/no	no	-	-	(h) Possible homonym, investigate further	217
fuzzy	-	-	-	-	-	other	100