Table 2 CUI-less examples from SEMEVAL2015 and CUILESS2016 annotation of ShARe corpus

SEMEVAL2015

Text mention

RRW

Surgical defect

Negation

Yes

No*

Subject

Patient*

Patient*

Uncertainty

No*

Yes

Course

Unmarked*

Unmarked*

Severity

Unmarked*

Unmarked*

Conditional

False*

False*

Generic

False*

False*

Body location CUI

C0225754 (Both lungs)

C1521748 (Entire mastoid)

Disorder CUI

CUI-less

CUI-less

CUILESS2016

Disorder CUI

C0034642 (Rhales)

C0543467 (Operative surgery)

C0035508 (Rhonchi)

C2004491 (Cicatrix)

C0043144 (Wheezing)