Table 4.

Number of selected configurations for optimized web service models (for each of the 76 datasets)

Number of features	1024	2048	4096	8192
Times selected	24	17	10	25
Algorithm	RF	SVM	NB
Times selected	14	60	2

To limit the number of parameters we skip FCFPs and set the ECFP diameter to 4. For support vector machines different parameters have been optimized (as described in ”Experimental” section). A complete list of selected parameters and nested cross-validation results can be found in Additional file 2