no contrast
- LabelSOM (-D)
- TFxIDF (-D)

contrast
- CHI2 (-D)
- Lagus & Kaski (-D)
- CHI2 x Lagus & Kaski (-D)

extrem constrast
- Lagus & Kaski variant (-D)
- CHI2 x Lagus & Kaski variant (-D)

other
- Dictionary
- Stopwords
- List of Artists