JD Cloud Developers
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JD Cloud Developers

JD Cloud Developers (Developer of JD Technology) is a JD Technology Group platform offering technical sharing and communication for AI, cloud computing, IoT and related developers. It publishes JD product technical information, industry content, and tech event news. Embrace technology and partner with developers to envision the future.

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JD Cloud Developers
JD Cloud Developers
Jul 23, 2025 · Artificial Intelligence

How Causal Inference Meets Large Language Models to Revolutionize E‑commerce Pricing

At QCon 2025, the author presented a novel approach that integrates causal inference with large language models using Retrieval‑Augmented Generation, process rewards, and tree‑search to generate explainable, accurate e‑commerce pricing recommendations, dramatically improving accuracy from 44% to 74% while cutting inference time to seconds.

causal inferencee‑commerce pricingreinforcement learning
0 likes · 14 min read
How Causal Inference Meets Large Language Models to Revolutionize E‑commerce Pricing
JD Cloud Developers
JD Cloud Developers
Jul 18, 2025 · Artificial Intelligence

New Precise Matching Techniques from JD’s SIGIR 2025 Papers

JD's retail technology team presents five SIGIR 2025 papers that introduce advanced graph neural, causal optimal transport, domain‑oriented relevance, multi‑objective bid‑word generation, and hierarchical user behavior models to dramatically improve precise matching in e‑commerce search, recommendation, and advertising.

AdvertisingCTR predictioncausal optimal transport
0 likes · 11 min read
New Precise Matching Techniques from JD’s SIGIR 2025 Papers
JD Cloud Developers
JD Cloud Developers
Jul 16, 2025 · Databases

How JD Ads Cut Storage Costs 87% with Apache Doris Hot‑Cold Tiering

This article details JD Advertising's journey from a 1 PB Apache Doris data lake to a multi‑level hot‑cold tiering architecture, describing two tiering strategies, the performance and schema‑change challenges faced during the upgrade to Doris 2.0, and the optimizations that reduced storage costs by about 87% while boosting query throughput.

Apache DorisSchema Changecold data
0 likes · 19 min read
How JD Ads Cut Storage Costs 87% with Apache Doris Hot‑Cold Tiering
JD Cloud Developers
JD Cloud Developers
Jul 9, 2025 · Backend Development

Boost Java Backend Performance with MyBatis-Plus LambdaQueryWrapper and Spring @Async

Learn how to combine MyBatis-Plus's type‑safe LambdaQueryWrapper with Spring Boot's @Async annotation to build readable, maintainable queries and execute them asynchronously, including configuration of custom thread pools, exception handling, transaction management, and practical use cases such as reporting and batch processing.

AsyncLambdaQueryWrapperMybatis-Plus
0 likes · 8 min read
Boost Java Backend Performance with MyBatis-Plus LambdaQueryWrapper and Spring @Async
JD Cloud Developers
JD Cloud Developers
Jul 8, 2025 · Artificial Intelligence

How AI Can Turn a Code Maze into a Knowledge Hub for New Developers

This article follows a new developer named Li Ming as he confronts undocumented code, hidden business rules, and fragmented knowledge, then demonstrates how leveraging large‑language models to index, associate, and retrieve code, requirements, and operational data can create an intelligent knowledge base that streamlines onboarding, reduces errors, and enhances collaboration across development, testing, and product teams.

AIRAGsoftware development
0 likes · 19 min read
How AI Can Turn a Code Maze into a Knowledge Hub for New Developers
JD Cloud Developers
JD Cloud Developers
Jul 4, 2025 · Artificial Intelligence

How AI-Powered Virtual Try-On Boosted Fashion Sales by 80%+

This article details JD Retail's AI virtual try‑on system, its technical challenges, innovations such as a large‑scale diffusion model and adaptive masking, and how the solution dramatically cut costs, accelerated image production, and increased conversion rates for fashion e‑commerce during a major promotion.

AIFashion E‑commercediffusion model
0 likes · 14 min read
How AI-Powered Virtual Try-On Boosted Fashion Sales by 80%+
JD Cloud Developers
JD Cloud Developers
Jul 2, 2025 · Artificial Intelligence

How JoyGen Achieves High‑Quality Audio‑Driven 3D Talking‑Face Video Editing

JoyGen introduces a two‑stage framework that combines 3D morphable model reconstruction with audio‑driven lip motion generation and depth‑aware visual synthesis, delivering precise audio‑lip synchronization and superior visual quality on both the HDTF benchmark and a newly built high‑resolution Chinese talking‑face dataset.

3DMMAIGCaudio-driven video
0 likes · 12 min read
How JoyGen Achieves High‑Quality Audio‑Driven 3D Talking‑Face Video Editing