Architecture Digest
Jul 8, 2022 · Fundamentals
Sensitive Word Matching in Vivo's Content Review System: Algorithm Selection and Practical Implementations
The article describes how Vivo's content moderation platform, DiTing, uses algorithm selection—including Aho‑Corasick automaton, combination word matching, and pinyin‑based matching—to efficiently detect sensitive terms in large‑scale text streams, while addressing challenges such as homophones, multi‑character patterns, and performance constraints.
Aho-CorasickPinyin MatchingSensitive Word Matching
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