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4 Data Sets

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1. Northix: Northix is designed to be a schema matching benchmark problem for data integration of two entity relationship databases.

2. CNAE-9: This is a data set containing 1080 documents of free text business descriptions of Brazilian companies categorized into a subset of 9 categories

3. Amazon Commerce reviews set: The dataset is used for authorship identification in online Writeprint which is a new research field of pattern recognition.

4. Reuter_50_50: The dataset is used for authorship identification in online Writeprint which is a new research field of pattern recognition.