Table 3.

Twelve BSLMs based on BOW

Category	Model	Description
DNA	Kmer-BOW	Kmer-based BOW (33)
	RevKmer-BOW	Reverse-complementary- Kmer-based BOW (33–35)
	Mismatch-BOW	Mismatch-based BOW (36–38)
	Subsequence-BOW	Subsequence-based BOW (36,38,39)
RNA	Kmer-BOW	Kmer-based BOW (40)
	Mismatch-BOW	Mismatch-based BOW (36–38)
	Subsequence-BOW	Subsequence-based BOW (36,38,39)
Protein	Kmer-BOW	Kmer-based BOW (41)
	Mismatch-BOW	Mismatch-based BOW (37)
	DR-BOW	Distance-Residue-based BOW (43)
	Top-n-gram-BOW	Top-n-gram-based BOW (42)
	DT-BOW	Distance-Top-n-gram-based BOW (43)