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Zhuanzhuan Tech

A platform for Zhuanzhuan R&D and industry peers to learn and exchange technology, regularly sharing frontline experience and cutting‑edge topics. We welcome practical discussions and sharing; contact waterystone with any questions.

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Recent Articles

Latest from Zhuanzhuan Tech

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Zhuanzhuan Tech
Zhuanzhuan Tech
Apr 15, 2026 · Artificial Intelligence

Boosting Bag Item Identification with Metric Learning: A ZhiZhuan Case Study

ZhiZhuan’s in‑house “photo‑to‑SKU” system tackles large‑scale bag identification by combining dual‑stage object detection, metric‑learning‑based embedding training, and a hybrid vector‑plus‑scalar retrieval pipeline, achieving superior top‑K accuracy over third‑party solutions while addressing fine‑grained visual nuances and long‑tail SKU coverage.

Embeddingbag identificationdeep learning
0 likes · 16 min read
Boosting Bag Item Identification with Metric Learning: A ZhiZhuan Case Study
Zhuanzhuan Tech
Zhuanzhuan Tech
Dec 24, 2025 · Artificial Intelligence

Building an ASR+LLM+Vector Knowledge Base for Precise Video Ad Category Detection

This article presents a layered ASR‑LLM‑vector‑knowledge‑base pipeline that cleans speech transcripts, semantically repairs text, performs hierarchical exact and fuzzy matching, and iteratively refines mappings to accurately identify product categories in video advertisements, while detailing module functions, technical choices, and LLM parameter tuning.

ASRKnowledge BaseLLM
0 likes · 11 min read
Building an ASR+LLM+Vector Knowledge Base for Precise Video Ad Category Detection
Zhuanzhuan Tech
Zhuanzhuan Tech
Dec 17, 2025 · Artificial Intelligence

How AI Powers Automatic Security Tagging in Large‑Scale Data Governance

This article details how a Chinese e‑commerce platform leverages large‑language‑model AI, the open‑source Dify platform, and engineered workflows to automate security tagging of massive data assets, covering data‑governance fundamentals, AI‑driven tagging advantages, technical architecture, prompt engineering, optimization cases, and future roadmap.

AISecurity Taggingdata governance
0 likes · 25 min read
How AI Powers Automatic Security Tagging in Large‑Scale Data Governance
Zhuanzhuan Tech
Zhuanzhuan Tech
Nov 17, 2025 · Backend Development

How to Eliminate Duplicate and Missing Data in Backend Pagination

This article explains why offset‑based pagination can cause duplicate or missing records when data changes, compares three practical solutions—including cursor pagination with timestamps and IDs, fixed‑window timestamp filtering, and Elasticsearch search_after—and provides concrete SQL and code examples along with their trade‑offs and suitable scenarios.

CursorElasticsearchSQL
0 likes · 12 min read
How to Eliminate Duplicate and Missing Data in Backend Pagination
Zhuanzhuan Tech
Zhuanzhuan Tech
Nov 10, 2025 · Artificial Intelligence

Boost Your Development Workflow: Practical Tips for Using Cursor AI

This article shares a step‑by‑step guide on how development teams can leverage the Cursor AI assistant to split project requirements, enrich prompts, generate and review code, and perform regression verification, turning AI into a collaborative partner rather than a replacement.

AI programmingCursor toolcode generation
0 likes · 17 min read
Boost Your Development Workflow: Practical Tips for Using Cursor AI
Zhuanzhuan Tech
Zhuanzhuan Tech
Oct 29, 2025 · Artificial Intelligence

How Reinforcement Learning Boosts Stability and Speed in LLM QA Systems

This article examines how reinforcement‑learning techniques such as PPO, DPO, and GRPO are integrated into the Baixiaosheng QA system to improve answer stability, deepen domain knowledge understanding, and accelerate response generation, and it evaluates the impact of Reinforcement Fine‑Tuning (RFT) on real‑world performance.

AIDPOGRPO
0 likes · 16 min read
How Reinforcement Learning Boosts Stability and Speed in LLM QA Systems
Zhuanzhuan Tech
Zhuanzhuan Tech
Sep 17, 2025 · Artificial Intelligence

LLM‑Powered Intent Understanding, RAG QA, and Knowledge Base Maintenance for Recycling

This article details how Zhuanzhuan leverages large language models to enhance on‑site device inspection through a three‑stage pipeline—intent understanding, retrieval‑augmented generation QA, and automated knowledge‑base upkeep—highlighting technical innovations, workflow integration, and the resulting operational benefits.

AIIntent UnderstandingKnowledge Base
0 likes · 14 min read
LLM‑Powered Intent Understanding, RAG QA, and Knowledge Base Maintenance for Recycling
Zhuanzhuan Tech
Zhuanzhuan Tech
Sep 14, 2025 · Fundamentals

What’s Inside a Laptop Hard Drive? A Deep Dive into HDD, SSD, and Hybrid Storage

This article explains the different types of laptop storage devices—including movable and fixed hard drives, mechanical HDDs, solid‑state SSDs, and hybrid SSHDs—detailing their classifications, internal structures, performance characteristics, interface standards, and the underlying principles of how they store and retrieve data.

HDDSSDStorage
0 likes · 33 min read
What’s Inside a Laptop Hard Drive? A Deep Dive into HDD, SSD, and Hybrid Storage