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      "@value" : "In Table 8, we aggregate the failed test cases and the total instance violations based on the patterns the test cases were based on. Most of the errors originate from ontological constraints such as functionality, datatype and domain violations. Common violation instances of ontological constraints are multiple birth/death dates and population values, datatype of xsd:integer instead of xsd:nonNegativeInteger and various rdfs:domain violations. In addition to ontological constraints, manual constraints resulted in violation instances such as: birth date after the death date (1), (probably) invalid postal codes (13), persons without a birth date (51), persons with death date that should also have a birth date (3), a resource with coordinates should be a dbpedia-owl:Place (16) and a dbpedia-owl:Place should have coordinates (7)."
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