Figure 4.

The pop‐up validation window allows clinical experts to cross check the extracted instance of the “Pes Cavus” concept from the Human Phenotype Ontology (“BEFORE Validation” screenshot) against the raw text from which it was extracted (“Pop‐up Validation Window” screenshots). Clicking on the grey icon next to the “Pes Cavus” concept brings up the Pop‐up Validation window where the user can see the raw sentences from which the concept was extracted. Verification by the expert (by deselecting the checkbox against the raw sentence for patient 2) results in the “Pes cavus”concept being displayed in a green colored font (“AFTER Validation” screenshot) indicating to future users that it has been verified by clinical experts. Note the change in the Patient Count value: from 2 in the “BEFORE Validation” screenshot to 1 in the “AFTER Validation” screenshot. This indicates the immediate update of the knowledge base with the expert's input on the validation window [Color figure can be viewed at http://wileyonlinelibrary.com]