A Dynamic Microblog Network and Information Dissemination in “@” Mode

Pseudocode 1

Pseudocode of constructing the dynamic mircoblogging social network.

Parameters input:  𝛼,𝛽,𝜆,𝜀,𝜅,𝜇,𝑝₀,𝑝₁

(1)  While  𝑡∈𝑇

(2)    𝑡←𝑡+1

(3)    for  𝑎_𝑖←𝑎₁ to 𝑎_𝑁

(4)     𝑧_𝑖→←𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑖,𝑡}

(5)     for  𝑎_𝑗←𝑎₁ to 𝑎_𝑁

(6)       𝑧_𝑗←←𝐿𝐼𝑁𝐾^𝑇_{𝑎𝑗,𝑡}

(7)       for  𝑎_𝑘←𝑎₁ to 𝑎_𝑁

(8)       𝑚←ΣMin𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑘,𝑡}∩𝐿𝐼𝑁𝐾^𝑇_{𝑎𝑗,𝑡},𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑖,𝑡}∩𝐿𝐼𝑁𝐾^𝑇_{𝑎𝑘,𝑡}

(9)       if  𝑎_𝑖∈𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑗,𝑡}

(10)          then  𝑙𝑖𝑛𝑘_𝑗𝑖←1

(11)       if  𝑎_𝑖∉𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑗,𝑡}

(12)          then  𝑙𝑖𝑛𝑘_𝑗𝑖←0

(13)       𝑝_𝑖𝑗←(1−(𝑝₀/𝑒^{𝜀𝑙𝑖𝑛𝑘𝑗𝑖}))(1/(𝑒^{𝛽(𝑧𝑖→−ownz∗𝑖→)}+1))(1/(1+𝑒^{−𝜆𝑧𝑗←}))(1−1−𝑝₁𝑒^−𝛼𝑚)

(14)       if  𝑎_𝑗∉𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑖,𝑡}∧𝑝_𝑖𝑗≥𝑅𝑎𝑛𝑑𝑜𝑚(1)∧𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑖,𝑡}<ownz^∗_𝑖→

(15)          then  𝐶𝑟𝑒𝑎𝑡𝑒(𝑎_𝑖,𝑎_𝑗)∧Δ𝑡←0  // Create Link

(16)       if  𝑎_𝑗∈𝐿𝐼𝑁𝐾^𝑆_{𝑎𝑖,𝑡}∧𝑠_𝑖𝑗<0.3

(17)          then  𝐷𝑒𝑙𝑒𝑡𝑒(𝑎_𝑖,𝑎_𝑗)         // Delete Link

(18)        𝑠_𝑖𝑗←𝑒^{−𝜅Δ𝑡}

(19)       if  𝑠_𝑖𝑗≥0.3

(20)          then  Δ𝑡←Δ𝑡+1

(21)  end