Skip to main content

Table 3 Simulation algorithm variables

From: A trust-based framework for vehicular travel with non-binary reports and its validation via an extensive simulation testbed

Parameter name

Description

Representation

Default value

Majority N

Number of agents used in a majority opinion.

MajN # (10 is 10 agents used)

10

Honest trust increase α

Standard increment to an agent’s trust resulting from an honesty evaluation, with a maximum value of 1.0.

α # (0.1 is 10% trust increase)

0.1

Dishonest trust decrease β

Standard decrement to an agent’s trust resulting from an honesty evaluation, with a minimum value of 0.0.

β # (0.2 is 20% trust decrease)

0.2

Advice trust threshold

Threshold where only agents with a trust value above this percent may be considered for advice.

AThresh # (0.41 is 41% trust threshold)

0.41

Majority confidence threshold

Threshold which the majority opinion must be above in order to be considered.

MThresh # (0.51 is 51% majority threshold)

0.51

Role penalization

Standard factor for increasing confidence depending on agent role.

RPenal #

8

Time penalization

Standard comparison factor for time closeness.

TPenal #

90

Location penalization

Standard comparison factor for location closeness.

LPenal #

200

Indirect penalization

Standard factor for modifying confidence if the advice is indirect.

InPenal #

1

Congestion weight

Standard factor for weighting the congestion value when calculating a road’s A* cost.

CongWeight #

20