Table 4.

Twelve BSLMs based on TF-IDF

Category	Model	Description
DNA	Kmer-TF-IDF	Kmer-based TF-IDF (30,33)
	RevKmer-TF-IDF	Reverse-complementary-Kmer- based TF-IDF (30,33–35)
	Mismatch-TF-IDF	Mismatch-based TF-IDF (30,36–38)
	Subsequence-TF-IDF	Subsequence-based TF-IDF (30,36,38,39)
RNA	Kmer- TF-IDF	Kmer-based TF-IDF (30,40)
	Mismatch-TF-IDF	Mismatch-based TF-IDF (30,36–38)
	Subsequence-TF-IDF	Subsequence-based TF-IDF (30,36,38,39)
Protein	Kmer-TF-IDF	Kmer-based TF-IDF (30,41)
	Mismatch-TF-IDF	Mismatch-based TF-IDF (30,37)
	DR-TF-IDF	Distance-Residue-based TF-IDF (30,43)
	Top-n-gram-TF-IDF	Top-n-gram-based TF-IDF(30,42)
	DT-TF-IDF	Distance-Top-n-gram-based TF-IDF (30,43)