Accelerating Consensus Reaching Through Top Persuaders: A Social Persuasion Model in Social Network Group Decision Making
Abstract
:1. Introduction
2. Preliminaries
2.1. Traditional GDM Problem
2.2. Social Network Analysis
2.3. Opinion Dynamics in a Social Network
2.4. Theoretical Background
3. The Proposed Framework Based on Social Persuasion
3.1. Problem Description and the Proposed Framework
3.2. Social Persuasion Model
3.3. Consensus-Reaching Process with Top Persuaders
3.3.1. TP-Based Preference Adjustment
3.3.2. TP-Based Trust Relationships Improvement
4. Simulation and Comparison Analysis
Algorithm 1 General description of TPC model. | |
Input: | The individual preferences , the graph of trust relationships , the weights of individuals , the established maximum round , and the consensus threshold . |
Output: | The ranking of alternatives . |
Step 1: | Let , , and . |
Step 2: | Aggregate the preferences to obtain in round t based on Equation (1), i.e., . |
Step 3: | Based on Equations (2) and (3), we compute the individual consensus degrees and group consensus degree . If or , go to Step 7; otherwise go to the next step. |
Step 4: | (a) Obtain the social influence matrix in round based on Equation (11), i.e., , where represents network centrality and represents the distance between and . (b) Obtain the social status in round based on Equation (12), i.e., . (c) Obtain the social persuasion matrix in round based on Equation (14), i.e., , where represents a Uninorm operator such as Equation (13). |
Step 5: | (a) Identify the top persuaders and resistant persuadees in round based on Equations (19) and (29), i.e., and . Further, we classify and into different groups: (b) TP-based preference adjustment. For , it is suggested to adjust their preferences as and For non-TP individuals, TP-based SNDG is proposed to adjust their preferences based on Equation (26). (c) TP-based trust relationships improvement. Identify the potential trust relationships and recommend each to trust from . |
Step 6: | Update trust relationships and let then go to Step 2. |
Step 7: | Let . Then, rank alternatives based on dominance degree . |
4.1. The Design of Simulation Experiments
4.2. Comparison Analysis
4.3. The Effect of Top Persuaders on Consensus Reaching
5. Discussion
5.1. Theoretical and Practical Implications
5.2. Future Research Directions
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Appendix A. Simulation Experiments
References
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Symbols | Meaning |
---|---|
-th individual. | |
-th alternative. | |
, ’ . | |
. | |
in the aggregated collective preference. | |
. | |
. | |
The consensus threshold. | |
The maximum consensus time. | |
in the collective preference. | |
. | |
. | |
. | |
. | |
. | |
The number of top persuaders and resistant persuadees. | |
Attenuation factor. | |
. | |
. | |
Uninorm operator. | |
. | |
. | |
The set of top persuaders with acceptable consensus degrees. | |
The set of top persuaders with unacceptable consensus degrees. | |
The restricted social persuasion among individuals in the social network. | |
. | |
. | |
The set of resistant persuadees with unacceptable consensus degrees. | |
The set of recommendations of trust relationships. |
AZ | In-Degree | Closeness | Betweenness | Percolation | Eigenvector | Katz | PageRank | Uniform | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
K | TPC | SIC | TPC | SIC | TPC | SIC | TPC | SIC | TPC | SIC | TPC | SIC | TPC | SIC | TPC | SIC |
2 | 9.584 | 9.653 | 9.512 | 9.669 | 8.589 | 8.793 | 8.591 | 8.751 | 9.353 | 9.469 | 9.604 | 9.706 | 9.477 | 9.624 | 9.226 | 9.643 |
4 | 8.961 | 9.087 | 8.882 | 9.178 | 7.939 | 8.115 | 7.973 | 8.103 | 9.179 | 9.301 | 9.03 | 9.113 | 8.841 | 9.074 | 8.579 | 9.153 |
6 | 8.259 | 8.382 | 8.19 | 8.494 | 7.381 | 7.61 | 7.354 | 7.614 | 9.044 | 9.169 | 8.286 | 8.422 | 8.101 | 8.356 | 7.897 | 8.542 |
8 | 7.615 | 7.832 | 7.6 | 7.945 | 6.989 | 7.236 | 6.986 | 7.232 | 8.954 | 9.123 | 7.685 | 7.808 | 7.486 | 7.715 | 7.354 | 7.985 |
10 | 7.268 | 7.504 | 7.229 | 7.614 | 6.786 | 7.077 | 6.791 | 7.066 | 8.951 | 9.078 | 7.37 | 7.42 | 7.086 | 7.307 | 7.028 | 7.585 |
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Pan, B.; Han, J.; Tian, B.; Liu, Y.; Liang, S. Accelerating Consensus Reaching Through Top Persuaders: A Social Persuasion Model in Social Network Group Decision Making. Mathematics 2025, 13, 385. https://doi.org/10.3390/math13030385
Pan B, Han J, Tian B, Liu Y, Liang S. Accelerating Consensus Reaching Through Top Persuaders: A Social Persuasion Model in Social Network Group Decision Making. Mathematics. 2025; 13(3):385. https://doi.org/10.3390/math13030385
Chicago/Turabian StylePan, Bin, Jingti Han, Bo Tian, Yunhan Liu, and Shenbao Liang. 2025. "Accelerating Consensus Reaching Through Top Persuaders: A Social Persuasion Model in Social Network Group Decision Making" Mathematics 13, no. 3: 385. https://doi.org/10.3390/math13030385
APA StylePan, B., Han, J., Tian, B., Liu, Y., & Liang, S. (2025). Accelerating Consensus Reaching Through Top Persuaders: A Social Persuasion Model in Social Network Group Decision Making. Mathematics, 13(3), 385. https://doi.org/10.3390/math13030385