Name of variable

Symbol

Type

Value

Cross diffusion

D-Cross diffusion

Binary variable

{ d 0 to the disadvantage of, d 1 to the advantage of}

Connection

C-Connection

Binary variable

{ c 0 hard, c 1 easy}

Theme

T-Themes

Integer variable

{ t 1 , , t k }

Emotion conveyed by information

E-Emotion

Binary variable

{ e 0 negative, e 1 positive}

Origin of information

O-Origin

Boolean variable

{ o 0 no, o 1 yes}

Resonance toward the theme

R-Resonance

Binary variable

{ r 0 not friends, r 1 friends}

User state

U-Users

Three-valued variable

{ u 0 information node, u 1 diffusion node, u 2 seed node}

Connection strength between nodes

S-Strength of connection

Binary variable

{ s 0 weak, s 1 strong}

User effect

I-Effect

Binary variable

{ i 0 small, i 1 big}

User preference

F-Preference

Binary variable

{ f 0 disinterested, f 1 interested}

User activity

A-Activity

Binary variable

{ a 0 low, a 1 high}

Limited user attention

L-Limited attention

Binary variable

{ l 0 not attracted, l 1 attracted}

Similarities between users

N-Near

Binary variable

{ n 0 low, n 1 high}

User behavior

B-Behavior

Binary variable

{ b 0 forward, b 1 purchase, b 2 information node}