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DataFunTalk
DataFunTalk
Feb 18, 2021 · Artificial Intelligence

Didi Voice Interaction: ASR Error Correction, Intent Classification, and NER Techniques

This article presents Didi's voice interaction platform, detailing the natural language understanding pipeline, ASR error correction methods, intent classification strategies, and named entity recognition models, while discussing practical deployments, performance gains, and future research directions.

ASR correctionIntent classificationNamed entity recognition
0 likes · 18 min read
Didi Voice Interaction: ASR Error Correction, Intent Classification, and NER Techniques
Didi Tech
Didi Tech
Nov 18, 2020 · Artificial Intelligence

Didi Speech Interaction: ASR Error Correction, Intent Classification, and NER Techniques

Didi’s voice‑interaction platform combines a three‑stage ASR error‑correction pipeline, optimized intent‑classification models (both end‑to‑end and retrieval‑based), and advanced Chinese NER using Bi‑GRU‑CRF and BERT‑CRF, boosting transcription accuracy and overall dialogue success while supporting scalable deployment and future enhancements such as lattice inputs and richer acoustic signals.

ASR correctionIntent classificationNamed entity recognition
0 likes · 21 min read
Didi Speech Interaction: ASR Error Correction, Intent Classification, and NER Techniques