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Table 2 The initial five-strategy game matrix

From: A game theory-based trust measurement model for social networks

Trust level Trust 1 Trust 2 Trust 3 Trust 4 Trust 5
Trust 1 pr\(_{A}^{11},\mathrm{pr}_{B}^{11}\) pr\(_{A}^{12},\mathrm{pr}_{B}^{12}\) pr\(_{A}^{13},\mathrm{pr}_{B}^{13}\) pr\(_{A}^{14},\mathrm{pr}_{B}^{14}\) pr\(_{A}^{15},\mathrm{pr}_{B}^{15}\)
Trust 2 pr\(_{A}^{21},\mathrm{pr}_{B}^{21}\) pr\(_{A}^{22},\mathrm{pr}_{B}^{22}\) pr\(_{A}^{23},\mathrm{pr}_{B}^{23}\) pr\(_{A}^{24},\mathrm{pr}_{B}^{24}\) pr\(_{A}^{25},\mathrm{pr}_{B}^{25}\)
Trust 3 pr\(_{A}^{31},\mathrm{pr}_{B}^{31}\) pr\(_{A}^{32},\mathrm{pr}_{B}^{32}\) pr\(_{A}^{33},\mathrm{pr}_{B}^{33}\) pr\(_{A}^{34},\mathrm{pr}_{B}^{34}\) pr\(_{A}^{35},\mathrm{pr}_{B}^{35}\)
Trust 4 pr\(_{A}^{41},\mathrm{pr}_{B}^{41}\) pr\(_{A}^{42},\mathrm{pr}_{B}^{42}\) pr\(_{A}^{43},\mathrm{pr}_{B}^{43}\) pr\(_{A}^{44},\mathrm{pr}_{B}^{44}\) pr\(_{A}^{45},\mathrm{pr}_{B}^{45}\)
Trust 5 pr\(_{A}^{51},\mathrm{pr}_{B}^{51}\) pr\(_{A}^{52},\mathrm{pr}_{B}^{52}\) pr\(_{A}^{53},\mathrm{pr}_{B}^{53}\) pr\(_{A}^{54},\mathrm{pr}_{B}^{54}\) pr\(_{A}^{55},\mathrm{pr}_{B}^{55}\)