Table 1.

Summary of dataset used in our experiments

	dataset1	dataset2	dataset3
#data	850	1547	215
#homo.seqs |D|	9	2–20	2–20
Length of seqs	48–389	50–500	500–1500
Source	Kiryu et al. (2007b)	Andronescu et al. (2008)	Andronescu et al. (2008)

#data means the number of test data which contains a target sequence and several homologous sequences. #hom.seq means the number of homologous sequence included in each test data. See Section 3.1 for details of each dataset.