
Data-Driven Evaluation of Ontologies ◾ 251
= False = True
= False = True
(b) PAT-DTL with refinement (accuracy = 82.84 ± 0.06, tree size = 5)
(ca > 0.5) (thal = reversable_defect)
<50 (103.0/14.0)
<50 (38.0/11.0)
>50_1 (102.0/16.0)
(thalach ≤ 147.5) (cp = asympt)
PSfrag replacemnts
Figure9.20(b) Decision tree learned by C4.5 and PAT-DTL (with specialization) for Cleveland Clinic Foundation’s Heart Disease
(heart-c) data.