BPSO	Binary particle swarm optimizer algorithm
SFS	Sequential forward selection strategies
IFS	Incremental feature selection strategies
ACC	Accuracy
MCC	Mathew’s correlation coefficient
SN	Sensitivity
SP	Specificity
K-mer	K-mer nucleotide frequency
PseDNC	Pseudo dinucleotide composition
KD	K-nucleotide density
PSKP	Position-specific k-nucleotide propensity
NCP	Nucleotide chemical property