We implemented a system to mine functional dependencies from relational databases. Our system improved current technology by employing an SQL interface between the database and the mining module. This approach has the advantage that it better utilizes main memory by (1) avoiding loading large amounts of data into memory, and (2) allowing more computations to be performed in memory rather than on disk. Our system is capable of mining functional dependencies from large databases where other memory-based methods fail.
Worcester Polytechnic Institute
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