Completeness: The degree to which all the data required by users is present in the e-government system.
Accuracy: The level of errors/incorrect data within the overall system data.
Relevance: The degree to which data is necessary in order to complete particular user decisions and actions.
Timeliness: The degree to which data can be delivered by the e-government system within a required timeframe.
Appropriateness of presentation: The degree to which data produced by the e-government system is accessible and intelligible to the recipient.
The more CARTA the data, the higher its quality; the less CARTA the data, the lower its quality.
We can also use other information systems models to identify the cause of data quality problems in government.