Table 2 Values of used parameters

Working area diminutions

1000 X 1000

Total number of TE

12

Total number of TR

81

Zone radius

3

Number of contacts

5

direct communication radius

100

MaxMove

707.1

Depth of contacts’ level

2

Number of TE changing behavior

7

Number of context categories

10

Basic suspension interval

10

Number of utility gain categories

9

Witnesses changing behavior

10

Witnesses always report negative

7

Witnesses always report positive

7

Witnesses report neutral 50%

7

Witnesses always lie

7

Maximum utility gain

10

Inerval of TE changing behavior

10

TE cooperation factor

0.01

TR non-cooperation factor

-0.03

Witnesses cooperation factor

0.01

Witnesses non-cooperation factor

-0.03

Direct trust fraction

0.5

Degree of decay

0.01

HT

0.5

FT

-0.5

WHT

0.5

WFT

-0.5

ST

0

WDT

0.5

Local rating history size

10

DT recency scaling factor

-(5/ ln(0.5))

Branching factor

2

Referral length threshold

5

Interaction trust coefficient

2

Role-base trust coefficient

2

Witness reputation coefficient

1

Certified reputation coefficient

0.5

Reliability function parameter: Interaction trust

-ln(0.5)

Reliability function parameter: Role-base trust

-ln(0.5)

Reliability function parameter: Witness reputation

-ln(0.5)

Reliability function parameter: Certified reputation

-ln(0.5)