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6 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. microblogPCU: MicroblogPCU data is crawled from sina weibo microblog[]. This data can be used to study machine learning methods as well as do some social network research.

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

4. SMS Spam Collection: The SMS Spam Collection is a public set of SMS labeled messages that have been collected for mobile phone spam research.

5. YouTube Multiview Video Games Dataset: This dataset contains about 120k instances, each described by 13 feature types, with class information, specially useful for exploring multiview topics (cotraining, ensembles, clustering,..).

6. Amazon book reviews: 213.335 book reviews for 8 different books. There are books which are scored very negatively in general and books which are scored very positively.

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