GGBond: Growing Graph-Based AI-Agent Society for Socially-Aware Recommender Simulation

• URL: http://arxiv.org/abs/2505.21154v1
• Date: Tue, 27 May 2025 13:09:21 GMT
• Title: GGBond: Growing Graph-Based AI-Agent Society for Socially-Aware Recommender Simulation
• Authors: Hailin Zhong, Hanlin Wang, Yujun Ye, Meiyi Zhang, Shengxin Zhu,
• Abstract summary: We propose a high-fidelity social simulation platform to realistically simulate user behavior evolution under recommendation interventions.<n>The system comprises a population of Sim-User Agents equipped with a five-layer cognitive architecture that encapsulates key psychological mechanisms.<n>In particular, we introduce the Intimacy--Curiosity--Reciprocity--Risk (ICR2) motivational engine grounded in psychological and sociological theories.
• Score: 2.7083394633019973
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Current personalized recommender systems predominantly rely on static offline data for algorithm design and evaluation, significantly limiting their ability to capture long-term user preference evolution and social influence dynamics in real-world scenarios. To address this fundamental challenge, we propose a high-fidelity social simulation platform integrating human-like cognitive agents and dynamic social interactions to realistically simulate user behavior evolution under recommendation interventions. Specifically, the system comprises a population of Sim-User Agents, each equipped with a five-layer cognitive architecture that encapsulates key psychological mechanisms, including episodic memory, affective state transitions, adaptive preference learning, and dynamic trust-risk assessments. In particular, we innovatively introduce the Intimacy--Curiosity--Reciprocity--Risk (ICR2) motivational engine grounded in psychological and sociological theories, enabling more realistic user decision-making processes. Furthermore, we construct a multilayer heterogeneous social graph (GGBond Graph) supporting dynamic relational evolution, effectively modeling users' evolving social ties and trust dynamics based on interest similarity, personality alignment, and structural homophily. During system operation, agents autonomously respond to recommendations generated by typical recommender algorithms (e.g., Matrix Factorization, MultVAE, LightGCN), deciding whether to consume, rate, and share content while dynamically updating their internal states and social connections, thereby forming a stable, multi-round feedback loop. This innovative design transcends the limitations of traditional static datasets, providing a controlled, observable environment for evaluating long-term recommender effects.

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