PA-HCGO Reproducibility Package: SmartBuy Connect Prototype Dataset and Experiment Code

Anonymized prototype dataset and reproducibility materials for the manuscript "Preference Learning and Hybrid Combinatorial Optimization for Intelligent Group-Buying Platforms: A Prototype-Calibrated Study of SmartBuy Connect"(under review in Information, MDPI). The package contains the eight-table SmartBuy Connect dataset (200 products, 150 users, 150 lots, 4000 user events, 500 orders), a field-level data dictionary documenting anonymization and knowndata-quality issues, the full experimental configuration (all parameters, seeds, and scenario definitions), and the scripts for preprocessing, temporal splitting, preference learning, candidate filtering, constrained optimization, ablation, bootstrap statistics, and figure/table generation. Funded by the Committee of Science of the Ministry of Science and Higher Education of the Republic of Kazakhstan, grant AP23489233.