Table 2.

Merged attributes in curation process. Attribute 1 refers to the most popular or selected attribute. In the merging process attribute 2 will be replaced by attribute 1

Attribute 1	Attribute 2	Description
aluminium	Al	Short forms
disease	illness	Synonym
collection time	collection timestamp
environmental feature	environmetal feature	Spelling mistakes
host disease status	host disease stautus
cell surface marker	cell surface markers	inflections
samp size	sample size
age years	age yrs	Different units and formatting