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Mastering Java Machine Learning by Krishna Choppella, Dr. Uday Kamath

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Unsupervised learning using outlier detection

The subject of finding outliers or anomalies in the data streams is one of the emerging fields in machine learning. This area has not been explored by researchers as much as classification and clustering-based problems have. However, there have been some very interesting ideas extending the concepts of clustering to find outliers from data streams. We will provide some of the research that has been proved to be very effective in stream outlier detection.

Partition-based clustering for outlier detection

The central idea here is to use an online partition-based clustering algorithm and based on either cluster size ranking or inter-cluster distance ranking, label the clusters as outliers.

Here we present ...

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