BanTech Think Tank

May 29, 2026 · Artificial Intelligence

From Chaotic Transaction Data to Intelligent Insight: AI Raises Classification Accuracy by 20%

The article recounts how the Postal Savings Bank of China’s software R&D team built a domain‑specific corpus, applied a three‑stage BERT training pipeline and knowledge‑distillation to lift transaction‑type classification accuracy above 95%, delivering finer customer profiling, scenario‑based marketing calendars and a roadmap for future data‑driven banking.