Ensembles for unsupervised outlier detection: challenges and research questions a position paper.
Arthur ZimekRicardo J. G. B. CampelloJörg SanderPublished in: SIGKDD Explor. (2013)
Keyphrases
- outlier detection
- word sense induction
- fraud detection
- density ratio estimation
- detection algorithm
- data streams
- knowledge discovery
- detecting outliers
- detect outliers
- credit card fraud detection
- density estimation
- unsupervised learning
- density based clustering
- data mining
- high dimensional datasets
- decision trees
- machine learning
- semi supervised
- training data
- database
- data mining techniques
- outlier mining
- real world