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Alimama Tech

Official Alimama tech channel, showcasing all of Alimama's technical innovations.

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Recent Articles

Latest from Alimama Tech

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Alimama Tech
Alimama Tech
Jan 27, 2026 · Artificial Intelligence

How Alibaba’s “Yuanfang” Agent System Enables Reliable AI Coding for Complex Ad Engines

This article details Alibaba‑Mama’s AI‑coding initiative, describing how a decoupled CommonAds architecture and a multi‑agent framework called “Yuanfang” transform large‑scale advertising engine development by integrating AI‑friendly design, context‑driven specifications, and automated code‑generation, testing, and validation pipelines.

AI codingCommonAdsIFLOW‑CLI
0 likes · 16 min read
How Alibaba’s “Yuanfang” Agent System Enables Reliable AI Coding for Complex Ad Engines
Alimama Tech
Alimama Tech
Jan 14, 2026 · Backend Development

How Graph-as-a-Service Revolutionizes Alibaba’s Ad Engine with Serverless Architecture

This article explains how Alibaba Mama’s advertising engine adopted a Serverless, Graph‑as‑a‑Service (GaaS) model to unify budgeting across multiple ad lands, align development‑to‑delivery granularity with graph structures, and dramatically improve testing, experimentation, and production release efficiency.

AdTechGaaSarchitecture
0 likes · 17 min read
How Graph-as-a-Service Revolutionizes Alibaba’s Ad Engine with Serverless Architecture
Alimama Tech
Alimama Tech
Jan 7, 2026 · Artificial Intelligence

Can Text‑Driven Vibe Coding Tame Complex AI Infra? A Deep Dive into GPU Time‑Sharing for Agentic RL

This article examines the limitations of Vibe Coding for large AI infrastructure, proposes a text‑driven, document‑centric workflow, and presents a time‑multiplexed GPU scheduling solution that dramatically improves rollout throughput and reduces timeouts in large‑scale Agentic RL training.

Design DocumentsGPU schedulingTime Multiplexing
0 likes · 21 min read
Can Text‑Driven Vibe Coding Tame Complex AI Infra? A Deep Dive into GPU Time‑Sharing for Agentic RL
Alimama Tech
Alimama Tech
Jan 7, 2026 · Artificial Intelligence

How Bid2X Revolutionizes Online Ad Bidding with a Universal Foundation Model

Bid2X introduces a bidding‑environment foundation model that unifies heterogeneous ad‑bidding data, leverages variable and time attention mechanisms, handles zero‑inflated distributions, and demonstrates superior offline performance across eight large‑scale datasets and significant online gains in GMV and ROI when deployed on a major e‑commerce platform.

Advertisingbiddingfoundation model
0 likes · 20 min read
How Bid2X Revolutionizes Online Ad Bidding with a Universal Foundation Model
Alimama Tech
Alimama Tech
Dec 17, 2025 · Artificial Intelligence

How VeM Achieves Precise Semantic, Temporal, and Rhythmic Alignment in Video-to-Music Generation

The VeM model introduces a latent diffusion framework that leverages hierarchical video parsing, scene‑guided cross‑attention, and a transition‑beat alignment adapter to generate high‑fidelity background music perfectly synchronized with video semantics, timing, and rhythm, outperforming existing baselines on extensive quantitative and qualitative evaluations.

Cross-AttentionTemporal Alignmentaudio generation
0 likes · 14 min read
How VeM Achieves Precise Semantic, Temporal, and Rhythmic Alignment in Video-to-Music Generation
Alimama Tech
Alimama Tech
Dec 3, 2025 · Artificial Intelligence

How LORE Transforms E‑Commerce Search Relevance with Generative AI

The article details the development and deployment of LORE, a large generative model that reshapes e‑commerce search relevance by combining knowledge injection, chain‑of‑thought reasoning, and multimodal alignment, achieving simultaneous improvements in user experience and revenue metrics.

Chain-of-ThoughtModel Alignmente-commerce
0 likes · 15 min read
How LORE Transforms E‑Commerce Search Relevance with Generative AI
Alimama Tech
Alimama Tech
Nov 26, 2025 · Artificial Intelligence

How Alibaba’s ROCK & ROLL Enable Scalable Agentic AI Training

Alibaba’s open‑source ROCK environment sandbox and the ROLL reinforcement‑learning engine together provide a standardized, high‑throughput training loop that lets developers scale Agentic AI from a single machine to thousands of parallel instances while simplifying debugging and resource management.

InfrastructureScalable Trainingagentic AI
0 likes · 12 min read
How Alibaba’s ROCK & ROLL Enable Scalable Agentic AI Training
Alimama Tech
Alimama Tech
Nov 11, 2025 · Artificial Intelligence

Accelerating LLM RL with Async Training, Mini‑Critics, and Attention Rewards

This article introduces the 3A collaborative framework—Async architecture, Asymmetric PPO mini‑critics, and an attention‑based reasoning rhythm—demonstrating how decoupled, fine‑grained parallel training and structure‑aware reward allocation dramatically improve efficiency, scalability, and interpretability of reinforcement learning for large language models.

Asynchronous Trainingattention mechanismslarge language models
0 likes · 23 min read
Accelerating LLM RL with Async Training, Mini‑Critics, and Attention Rewards
Alimama Tech
Alimama Tech
Nov 11, 2025 · Artificial Intelligence

Industrial-Scale Graph Learning: Boosting Ad ROI and Winning Beijing’s Science Award

The award‑winning industrial graph learning system developed by Peking University and Alibaba Mama combines novel dynamic graph embedding and GNN techniques, scales to millions of merchants, and has driven over 12% ad ROI improvement while publishing dozens of top‑conference papers.

AI researchGraph Neural NetworksIndustrial AI
0 likes · 6 min read
Industrial-Scale Graph Learning: Boosting Ad ROI and Winning Beijing’s Science Award