JZJiangyu Zhengintalkwithcode.hashnode.dev·Jun 9, 2025 · 7 min readExploring Various Matching Techniques Used in E-commerce Advertising Systems1 Understanding the Matching Stage In the cascade architecture of industrial advertising systems, the matching phase, also known as the candidate retrieval stage, serves as the foundational step in the ad selection process. Its main objective is to e...00
JZJiangyu Zhengintalkwithcode.hashnode.dev·May 22, 2025 · 7 min readPractical Lessons for Building Reranking Models in Advertising Systems1 Multi-Stage Architecture of Online Advertising Systems The modern online advertising system typically follow a multi-stage cascade architecture, designed to balance scalability, latency, and relevance. Each stage progressively refines a large pool ...00
JZJiangyu Zhengintalkwithcode.hashnode.dev·May 19, 2025 · 10 min readHow to Build Effective pCTR and pCVR Models: Insights from Ad Systems1 Introduction In modern e-commerce advertising systems, predicted click-through rate (pCTR) and predicted conversion rate (pCVR) are foundational components that drive performance and revenue. These models estimate the likelihood that a user will cl...00
JZJiangyu Zhengintalkwithcode.hashnode.dev·May 13, 2025 · 5 min readFrom CPC to ECPC and OCPC: The Evolution of Advertising on C2C Platforms1 Introduction In China, C2C (Consumer-to-Consumer) platforms have become a cornerstone of the country's booming e-commerce ecosystem. These platforms—such as Taobao, Pinduoduo (PDD), and others—enable individual sellers or small merchants to directl...00
JZJiangyu Zhengintalkwithcode.hashnode.dev·May 9, 2025 · 6 min readHow to Use NER to Extract Core Product Terms from E-Commerce Titles1 Introduction In e-commerce, product titles are often written by sellers in a detailed and descriptive manner, including brand names, places of origin, attributes, and other qualifiers. Unlike English, which uses spaces to separate words, Chinese la...00