From: An adaptive hybrid african vultures-aquila optimizer with Xgb-Tree algorithm for fake news detection
Optimization algorithm | Parameter |
---|---|
All algorithms | Run’s number \(=30\) |
Iterations number \(G_{max}=100\) | |
Size of population \(N=10\) | |
Dimensionality d = The number of attributes in the used benchmark | |
BAVO | Parameter \(L_1=0.7\) |
Parameter \(L_2=0.2\) | |
Parameter \(w=2\) | |
Parameter \(P_1=0.6\) | |
Parameter \(P_2=0.6\) | |
Parameter \(P_3=0.5\) | |
BAO | Number of search rotations \({\mathfrak {r}}_{1}=10\) |
\(U = 0.00565\) | |
\(\omega = 0.005\) | |
Adjustment parameters for exploitation stage \(\alpha =0.1\) and \(\delta =0.1\) | |
Aquila’s arbitrary motions \({\mathcal {Q}_1} \in [-1,1]\) | |
Aquila’s flying slope \({\mathcal {Q}_2} \in [2,0]\) | |
BSSA | Number of scroungers \(SD=0.1 ^*N\) |
Number of producers \(PD=0.2 ^*N\) | |
Safety threshold \(ST=0.8\) | |
BASO | Multiplier weight \(\beta =0.2\) |
Depth weight \(\alpha =50\) | |
BHGSO | Number of clusters \(=2\) |
\(l_1=5E-03\), \(l_2=1E+02\), and \(l_3=1E-02\) | |
\(\alpha =\beta =0.1\) and \(K=1\) | |
BHHO | Rabbit energy \(E \in [-1,1]\) |
BSFO | Ratio between sardines and sailfish \(pp=0.1\) |
\(\varepsilon =0.0001\) | |
\(A=1\) | |
BBA | Loudness \(A=0.8\) |
Lower and upper pulse frequencies \(={0,10}\) | |
Pulse emission rate \(r=0.95\) | |
BGOA | \(C_\text{min}=0.00004\) and \(C_\text{max}=1\) |
BABC | Number of employed bees \(=16\) |
Number of scout bees \(=3\) | |
Number of onlooker bees \(=4\) | |
BPSO | Inertia weight \(\omega _{max}=0.9, \omega _{min}=0.4\) |
Acceleration coefficients \(\left( c_2=c_1=1.2 \right)\) |