58 Tech
Aug 19, 2021 · Artificial Intelligence
Practical NER Techniques for Business Chatbots on the 58.com Service Platform
This article presents a comprehensive case study of applying named‑entity‑recognition (NER) techniques to the smart chat assistant of 58.com’s yellow‑page service, covering business background, model selection (BiLSTM‑CRF, IDCNN‑CRF, BERT), data‑augmentation, focal loss, fusion of rule‑based and neural methods, context modeling, online performance, and future research directions.
BERTCRFEntity Recognition
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