58 Tech

Jun 27, 2019 · Artificial Intelligence

Spelling Correction System for 58.com Search Engine: Rule‑Based and Statistical Methods

This article describes the design and implementation of a spelling‑correction module for 58.com’s search engine, covering common query errors, rule‑based and statistical language‑model approaches, offline dictionary generation, n‑gram and Viterbi decoding, online workflow, and practical examples.