2. The computer system of claim 1 , wherein the one or more data quality criterion are configured to identify the potential data quality problems including at least one of: possible duplicate objects, missing properties, multi-valued properties, unparsed properties, disallowed enumerations, numeric range violations, and date range violations.
2. The computer system of claim 1 , wherein the one or more data quality criterion are configured to identify the potential data quality problems including at least one of: possible duplicate objects, missing properties, multi-valued properties, unparsed properties, disallowed enumerations, numeric range violations, and date range violations. 3. The computer system of claim 2 , wherein the potential data quality problem is missing properties; and said one or more data quality criterion identify objects that are missing at least a property value that is predetermined to be necessary.