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. 2021 Nov 5;21(21):7363. doi: 10.3390/s21217363

Algorithm 1 Degree of Trust Computation Flow Process

1:
procedureObservation Gathering( $D_{o b}$ )
2:
Perceive Previous Available Observation
3:
if (Observation are available) then
4:
Compute Direct Trust;
5:
else
6:
Compute Indirect Trust;
7:
procedureDirect Trust Evaluation( $D_{t r u s t}^{n - i d}$ )
8:
Ability Evaluation as Equation (1)
9:
Benevolence Evaluation as Equation (2)
10:
Summation to Reputation Trust Degree as Equation (3)
11:
Integrity Evaluation as Equation (4)
12:
Absolute Trust Evaluation as Equation (5)
13:
procedureIndirect Trust Evaluation( $I D_{t r u s t}^{n - i d}$ )
14:
Recommendation Gathering as Equation (6)
15:
Applying Summation to received recommendation as Equation (7)
16:
procedureDirect Trust Aggregation( $T_{a b s}^{d e v}$ )
17:
Aggregation Computation as Equation (8)
18:
procedureDecision Making( $ϕ (t)$ )
19:
Condition for Decision Making as Equation (9)
20:
Valid Node if Trust ≥ 0.5.
21:
Exit