Information and Software Technology
Data base contamination and recovery
SIGFIDET '74 Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control
An empirical, path-oriented approach to software analysis and testing
Journal of Systems and Software
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Massive data are processed by business organizations daily. Errors in upstream dataspace or faulty processes may already contaminate tens of thousands of data records downstream by the time the errors are detected and corrected. Many data space possesses the Strictly Downstream Dataspace property where an overall refresh of the dataspace is infeasible, and row level error identification is required. Such identification is usually done manually. It is time consuming and error prone. This paper models the error contamination process and proposes a design to quickly identify row-level error space in the system.