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JD Retail Technology
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JD Retail Technology

Official platform of JD Retail Technology, delivering insightful R&D news and a deep look into the lives and work of technologists.

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Recent Articles

Latest from JD Retail Technology

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JD Retail Technology
JD Retail Technology
Dec 12, 2024 · Databases

Optimizing Query Performance for JD's BIP Procurement System with JED, JimKV, and Elasticsearch

This article presents a comprehensive case study of how JD's procurement system (BIP) tackled massive data volume and complex query challenges by redesigning data models, introducing heterogeneous storage for inbound orders, leveraging JED and JimKV, and offloading complex searches to Elasticsearch, resulting in dramatically reduced database load and improved user experience.

Database OptimizationElasticSearchJD supply chain
0 likes · 11 min read
Optimizing Query Performance for JD's BIP Procurement System with JED, JimKV, and Elasticsearch
JD Retail Technology
JD Retail Technology
Dec 9, 2024 · Artificial Intelligence

Generative Retrieval for E‑commerce Search: Lexical‑Based and Semantic‑ID Approaches

This article presents a comprehensive study of generative retrieval in large‑scale e‑commerce search, detailing lexical‑based and SemanticID‑based methods, their challenges such as long‑tail distribution and token length, experimental evaluations, the discovered "sandglass" effect, and proposed solutions to improve recall and efficiency.

AISemantic IDe-commerce search
0 likes · 20 min read
Generative Retrieval for E‑commerce Search: Lexical‑Based and Semantic‑ID Approaches
JD Retail Technology
JD Retail Technology
Dec 3, 2024 · Frontend Development

Designing a Cross‑Language Event System for Taro on HarmonyOS

This article explains how Taro leverages C++ and the HarmonyOS C‑API to build a high‑performance, multi‑language event system that bridges ArkTS, JavaScript and native components, detailing architecture considerations, implementation details, and future directions for improving cross‑language event handling.

C++Event SystemHarmonyOS
0 likes · 10 min read
Designing a Cross‑Language Event System for Taro on HarmonyOS
JD Retail Technology
JD Retail Technology
Nov 29, 2024 · Fundamentals

Java Code Style Guidelines: Importance, Standards, and Tool Integration

This article explains why Java code style standards are essential for team collaboration, reviews major guidelines such as Google Java Style and Alibaba's p3c, and provides step‑by‑step instructions for configuring IntelliJ IDEA, Checkstyle, and Maven to enforce consistent, readable, and maintainable Java code.

Code styleIntelliJ IDEAJava
0 likes · 13 min read
Java Code Style Guidelines: Importance, Standards, and Tool Integration
JD Retail Technology
JD Retail Technology
Nov 27, 2024 · Backend Development

Optimizing SpringBoot Application Startup Time: Diagnosis and Solutions

This article documents the diagnosis of slow SpringBoot startup in a large‑scale advertising platform and presents a series of optimizations—including actuator monitoring, Tomcat TLD scan disabling, HBase async warm‑up, custom BeanPostProcessor timing, asynchronous JSF consumer refer, Tomcat version tuning, and hardware migration—that together reduce launch time by about 60%.

BackendBeanPostProcessorJava
0 likes · 20 min read
Optimizing SpringBoot Application Startup Time: Diagnosis and Solutions
JD Retail Technology
JD Retail Technology
Nov 19, 2024 · Big Data

Building an Intelligent Data Governance System with Active Metadata: JD Retail Experience

This article details JD Retail's experience building an intelligent data governance system using proactive metadata, covering challenges in data management, the design of a comprehensive governance framework, lifecycle evaluation models, and automated data backfill solutions to improve efficiency, cost control, and operational safety.

Data FabricData Governanceactive metadata
0 likes · 20 min read
Building an Intelligent Data Governance System with Active Metadata: JD Retail Experience
JD Retail Technology
JD Retail Technology
Nov 14, 2024 · Artificial Intelligence

Improving Advertisement Image Generation with a Multimodal Reliable Feedback Network (ECCV 2024)

The paper introduces a Multimodal Reliable Feedback Network (RFNet) and a consistency‑condition regularization technique that together boost the usable rate of automatically generated advertisement images while preserving visual quality, supported by a new million‑image annotated dataset and extensive ECCV‑2024 experiments.

AIECCV2024advertisement generation
0 likes · 8 min read
Improving Advertisement Image Generation with a Multimodal Reliable Feedback Network (ECCV 2024)
JD Retail Technology
JD Retail Technology
Nov 13, 2024 · R&D Management

Guidelines for New Project Managers: Initiation, Planning, Execution, and Monitoring

This article shares practical advice for novice project managers, covering the four process groups—initiation, planning, execution, and monitoring—through real‑world examples, stakeholder identification, risk handling, change control, and communication techniques to help them deliver value and grow their teams.

executioninitiationmonitoring
0 likes · 25 min read
Guidelines for New Project Managers: Initiation, Planning, Execution, and Monitoring
JD Retail Technology
JD Retail Technology
Nov 6, 2024 · Artificial Intelligence

Explainability Practices in JD Retail Recommendation System

This article describes the definition, architecture, and practical applications of explainability in JD's retail recommendation system, covering ranking, model, and traffic explainability, system challenges, data infrastructure, and specific techniques such as SHAP and Integrated Gradients for interpreting model decisions.

AITraffic analysisexplainability
0 likes · 17 min read
Explainability Practices in JD Retail Recommendation System