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DaTaobao Tech

Apr 12, 2023 · Artificial Intelligence

3D Scene Intelligent Creation Engine: AIGC Technology for E-commerce

The paper presents a 3D Scene Intelligent Creation Engine that uses AIGC to automate and lower‑cost production of e‑commerce 3D environments—covering model, texture, foreground‑background, camera, and scene value estimation—allowing merchants and consumers to easily generate virtual stores, product displays, and immersive metaverse‑ready content.

3D Scene GenerationAI technologyAIGC

0 likes · 19 min read

3D Scene Intelligent Creation Engine: AIGC Technology for E-commerce

DaTaobao Tech

Mar 13, 2023 · Artificial Intelligence

AI‑Driven 3D Content Creation and Optimization for E‑commerce

The article presents an AI‑driven pipeline that creates, delivers, and optimizes 3D e‑commerce content by leveraging diffusion‑based generation, txt2img/img2img style transfer, Shapley‑value interpretability, and a multi‑level traffic amplification framework to overcome modeling efficiency, asset scarcity, and production cost challenges.

3D contentAI Generationdiffusion models

0 likes · 12 min read

AI‑Driven 3D Content Creation and Optimization for E‑commerce

DaTaobao Tech

Jan 30, 2023 · Backend Development

Taobao Shopping Cart 5-Year Technical Upgrade and Accumulation

Over five years, Taobao’s shopping cart transformed through successive architectural overhauls, performance tuning, and new features, confronting scaling challenges with innovative solutions and ultimately delivering a more robust, efficient system while documenting valuable lessons learned for future large‑scale e‑commerce development.

e-commerceperformance optimizationshopping cart

0 likes · 1 min read

Taobao Shopping Cart 5-Year Technical Upgrade and Accumulation

DaTaobao Tech

Jan 4, 2023 · Frontend Development

SSR Implementation in Rax for E-commerce Performance Optimization

The guide explains how to implement Server‑Side Rendering in a Rax‑based e‑commerce car platform, replacing client‑side rendering to fix white‑screen and performance issues by simulating the browser environment with jsdom, handling data requests, null API fields, and auto‑closing tag discrepancies, while outlining architecture, middleware, and future CSR‑SSR integration.

JavaScriptRax FrameworkSSR

0 likes · 10 min read

SSR Implementation in Rax for E-commerce Performance Optimization

DaTaobao Tech

Aug 30, 2022 · Artificial Intelligence

CTNet: Continual Transfer Learning for Cross-Domain Recommendation

CTNet is a continual transfer learning framework that uses a lightweight Adapter to map source‑domain features onto evolving target‑domain recommendation tasks, preserving all model parameters to avoid catastrophic forgetting and delivering substantial gains in click‑through rate, conversion, and overall business performance in Taobao’s cross‑domain e‑commerce scenario.

Adapter Modulecontinual learningcross-domain recommendation

0 likes · 12 min read

CTNet: Continual Transfer Learning for Cross-Domain Recommendation

DaTaobao Tech

May 27, 2022 · Artificial Intelligence

Multimodal Pretraining for Search Recall in E-commerce

The paper proposes a multimodal pre‑training framework that jointly encodes query text and item titles with images via shared and single‑stream towers, using MLM, MPM, QIC, and matching tasks, and demonstrates substantial Recall@K gains on a billion‑item e‑commerce catalog by leveraging visual cues to bridge the semantic gap.

Multimodaldeep learninge-commerce

0 likes · 17 min read

Multimodal Pretraining for Search Recall in E-commerce

DaTaobao Tech

May 16, 2022 · Product Management

Evolution and Technical Advances of Taobao Shopping Cart

The article traces Taobao’s shopping cart evolution from a basic product‑management tool to a real‑time, AI‑enhanced platform, detailing business goals for user experience and conversion, four staged upgrades—including bundling, discount filtering, and seamless checkout—plus technical solutions such as Bloom filters, asynchronous pipelines, and nextRpc, while outlining operational expansions and future AI‑driven improvements.

conversion optimizatione-commerceproduct development

0 likes · 38 min read

Evolution and Technical Advances of Taobao Shopping Cart

DaTaobao Tech

Apr 6, 2022 · Artificial Intelligence

Improving New User Experience in Taobao Live Recommendation via Multi‑Channel Lifelong Product Sequence Modeling

The paper tackles Taobao Live’s cold‑start problem for new users by introducing a multi‑channel lifelong product‑sequence network that enriches purchase histories with side information, extracts relevance‑focused subsequences across five channels, and integrates them via target‑attention DIN, achieving substantial offline and online performance gains, especially for low‑activity users.

Multimodalcold startdeep learning

0 likes · 23 min read

Improving New User Experience in Taobao Live Recommendation via Multi‑Channel Lifelong Product Sequence Modeling

Xianyu Technology

Sep 27, 2022 · Backend Development

Design and Real-Time Optimization of Xianyu E‑commerce Search System

The article details Xianyu’s end‑to‑end product‑search architecture—covering tokenization, indexing, online request flow, offline index building, multi‑datacenter active‑active deployment, and supporting ad and debugging systems—and explains how expanding searcher capacity, separating query engines, grading updates, and diffusing auxiliary‑table writes together reduced latency from hours to near‑zero, enabling real‑time search.

Real-time indexinge-commercescalability

0 likes · 11 min read

Design and Real-Time Optimization of Xianyu E‑commerce Search System

Xianyu Technology

Dec 15, 2021 · Product Management

Rapid Development of Xianyu Double 11 Marketing Discount Platform

By leveraging existing middle‑platform services and a lightweight, configurable discount component, Xianyu rapidly built a full‑scale Double 11 marketing discount system—covering merchant recruitment, unified discount calculation, pre‑heat visuals, and robust load‑testing—delivering a stable promotion platform that can be reused for future campaigns.

case studydiscount systeme-commerce

0 likes · 9 min read

Rapid Development of Xianyu Double 11 Marketing Discount Platform

Xianyu Technology

Aug 31, 2021 · Big Data

Xianyu SPU System Architecture and Data Pipeline Overview

Xianyu built a custom SPU system and data pipeline that cleans Alibaba’s raw SPU data, defines key, binding, sales and product attributes, stores enriched records in MySQL, syncs to OpenSearch, and supports diverse business scenarios such as inspection, search publishing, and worry‑free purchase.

OpenSearchSPUbackend

0 likes · 8 min read

Xianyu SPU System Architecture and Data Pipeline Overview

Xianyu Technology

Aug 4, 2021 · Artificial Intelligence

Design and Impact of a Chat Assistant for E‑commerce Negotiation and Greeting

The study presents an asynchronous chat‑assistant for second‑hand e‑commerce that uses intent recognition, price‑strength data, and filtered messaging to generate friendly bargaining and greeting scripts, achieving a 4 % rise in reply and conversion rates, and outlines plans to add more intents and richer product extraction.

chatbotconversation AIe-commerce

0 likes · 8 min read

Design and Impact of a Chat Assistant for E‑commerce Negotiation and Greeting

Xianyu Technology

Jul 1, 2021 · Artificial Intelligence

Improving Search Relevance in Xianyu: System Design and Model Implementation

The paper describes Xianyu’s new relevance‑matching pipeline—integrating basic, text‑matching, semantic (BERT‑based dual‑tower), multimodal, and click‑graph features and fusing them with a GBDT model—which boosts search DCG@10 by 6.5 %, query satisfaction by 24 % and click interaction by over 20 % while outlining future enhancements for finer attribute matching and richer structured data.

Multimodale-commercefeature engineering

0 likes · 13 min read

Improving Search Relevance in Xianyu: System Design and Model Implementation

Xianyu Technology

Jun 9, 2021 · Artificial Intelligence

Applying Visual AI Techniques for Image Quality and Duplicate Detection in Xianyu Marketplace

By deploying large‑scale visual AI—including a ResNet‑101 classifier, ArcFace‑trained matching features, clustering‑based sub‑category refinement, and product‑level image indexing—Xianyu’s marketplace dramatically improves image quality, removes duplicates, enhances search relevance and feed diversity, and filters non‑compliant content.

Duplicate Detectioncomputer visiondeep learning

0 likes · 16 min read

Applying Visual AI Techniques for Image Quality and Duplicate Detection in Xianyu Marketplace

Xianyu Technology

Feb 23, 2021 · Artificial Intelligence

Pricing Guidance System for Xianyu Secondhand Marketplace

The Xianyu pricing guidance system blends new‑product market values with depreciation factors derived from usage, condition and category attributes—extracted via real‑time text mining and image analysis—to recommend dynamic price ranges adjusted for supply‑demand and seller urgency, currently covering 60% of listings with over 65% overall accuracy.

data analysise-commercemachine learning

0 likes · 6 min read

Pricing Guidance System for Xianyu Secondhand Marketplace

Xianyu Technology

Dec 8, 2020 · Big Data

Supply-Demand Modeling and Category Optimization for the Idle Second-Hand Market

The article describes a supply‑demand modeling framework for the idle second‑hand market that extracts and structures product attributes, builds a decision‑tree‑based index from price, inventory, search‑hotspot and demand‑activation sub‑models, and uses the index to optimize category allocation, boost scarce supply, and drive overall growth.

big datacategory optimizatione-commerce

0 likes · 7 min read

Supply-Demand Modeling and Category Optimization for the Idle Second-Hand Market

Xianyu Technology

Sep 10, 2020 · Artificial Intelligence

Interest Tagging System for Xianyu: Data‑Driven User Profiling

The Xianyu interest‑tagging system profiles post‑95 users by matching expert and hot‑search keywords to product text, weighting user actions with a TF‑IDF‑based behavior‑statistics pipeline, producing over twenty tags that cover more than half the target cohort and have already doubled click‑through rates for interest‑aligned live streams.

Data MiningTF-IDFbehavior analytics

0 likes · 11 min read

Interest Tagging System for Xianyu: Data‑Driven User Profiling

Xianyu Technology

Aug 6, 2020 · Product Management

Xianyu Product Understanding and Quality Item Selection Framework

Xianyu’s new quality‑item framework evaluates each listing through product, supply‑demand, price, and seller attributes to compute a quality score, optimizes a balanced pool of high‑quality items, and—validated by back‑testing and simulations—boosts click‑through and payment conversion rates dramatically.

data modelinge-commerceitem selection

0 likes · 8 min read

Xianyu Product Understanding and Quality Item Selection Framework

Xianyu Technology

May 10, 2018 · Artificial Intelligence

Mercari Price Prediction Using TFIDF, GRU, and Ensemble Models

By converting Mercari’s product titles, descriptions, and categorical data into TF‑IDF vectors and embeddings, training MLP and GRU networks, and ensembling them with weighted averaging, the authors achieve a 0.3873 RMSLE—matching the competition’s top score—and demonstrate the power of text‑only price prediction for C2C marketplaces.

GRUTFIDFe-commerce

0 likes · 8 min read

Mercari Price Prediction Using TFIDF, GRU, and Ensemble Models

Alimama Tech

Aug 2, 2024 · Artificial Intelligence

Multimodal Representations Boost Taobao Display Advertising CTR

Alibaba’s advertising team introduces semantic‑aware contrastive learning to pre‑train multimodal image‑text embeddings, integrates them via SimTier and MAKE into ID‑based CTR models, achieving up to 6.9% lift in Taobao display ad click‑through rates and improving long‑tail item performance.

CTR predictioncontrastive learninge-commerce

0 likes · 21 min read

Multimodal Representations Boost Taobao Display Advertising CTR