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Table 4 The number of ontology elements (OE) and the number of generated questions for different medical ontologies without optimization

From: Towards natural language question generation for the validation of ontologies and mappings

Ontology Number of classes Number of properties Number of instances Total number of OE Number of questions
DTO 49 148 0 197 165
MDO 149 76 18 243 243
CO 26 266 13 305 290