1. A computer-implemented method of verifying a data categorization in a categorization verification system, the method including executable instructions that perform actions comprising: determining, within a framework that supports queries, an accuracy of relationships between data that is categorized in a data structure based on information received from a common knowledge repository; responsive to a determination of an incorrect categorization, flagging a relationship within the data structure as potentially inaccurate; and reporting the potentially inaccurate categorization.