Keyphrases
- spectral analysis
- data mining
- spectral methods
- power spectral density
- data mining techniques
- knowledge discovery
- spectral features
- machine learning
- autoregressive
- filter bank
- rough sets
- data mining methods
- data mining applications
- fast fourier transform
- data mining algorithms
- speech signal
- association rules
- heart rate variability
- graphical models
- high quality
- information retrieval