hardnessType

P158601 predicate

Indicates the specific category or classification of hardness associated with an entity.

Observed surface forms (2)

Sample triples (3)

Subject Object
Aspidoras soft to moderately hard via predicate surface "preferredWaterHardness"
Bituminous coal fields of Pennsylvania soft coal via predicate surface "coalHardness"
short integer solution (SIS) problem
surface form: short integer solution problem
worst-case to average-case reduction