DataFunTalk
Jun 17, 2020 · Artificial Intelligence
Deep Recall and Vector Retrieval in 58 Recruitment Recommendation System
This article presents a comprehensive overview of 58's recruitment recommendation system, detailing business challenges, multi‑stage recall strategies, vector‑based deep retrieval, cost‑sensitive loss design, session optimization, online incremental training, extensive offline and online evaluations, and practical lessons for future improvements.
AIVector Retrievalcost-sensitive loss
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