DuIVRS-2: An LLM-based Interactive Voice Response System for Large-scale POI Attribute Acquisition

In three linesDuIVRS-2 is an LLM-based Interactive Voice Response system deployed at Baidu Maps for large-scale POI attribute acquisition. Using FSM-guided data augmentation, selective generation, and Chain-of-Thought mechanisms, the system processes 0.4 million calls daily with 83.9% Task Success Rate and 130ms latency.

Summary generated by Claude — human-verified