Table 7.

Metagenomic reads classification of Helicobacter pylori ( SRR023794 ), Zymomonas mobilis ( SRR017901 ), E.coli ( FXAWNEV04 ) and Legionella pneumophila ( ERR164429 )

Distance	4 cluster	3 cluster
$D_2^{\ast }$	0.79782297	0.79129356
$D_2^{\ast q}$ AQP q-red	0.79775189	0.76920676
$D_2^{\ast q}$ AWP q-red	0.80050234	0.82603989
L 2	0.64335292	0.73455525
KL	0.78663484	0.80525234
Simm, KL	0.77196713	0.79216786
D 2	0.73917085	0.77062424

The recall rates for different measures with k = 4 and 3 and 4 clusters. Best results are in bold.