Journal of Theoretical and Applied Information Technology
Data investigation is a process to understand the nature of data in heterogeneous databases. Many organizations are using online transactions systems to support their company operations. The diversity of applications system that used to support organization may lead to data anomalies without the system owners realized the negative impact of decision making from insufficient information of data. The quality of the results from any analysis is only as good as the quality of the inputs (the data) that feed that analysis.