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Latest from Alimama Tech

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Alimama Tech

Apr 10, 2024 · Artificial Intelligence

SizeCube: AI‑Driven Arbitrary‑Size Image and Video Outpainting for Advertising

SizeCube leverages Stable Diffusion‑based diffusion models and a sophisticated pipeline—including quality filtering, feature mining, latent‑space UNet denoising, super‑resolution, and temporal 3D‑U‑Net video processing—to automatically outpaint images and videos to any size, boosting Alibaba advertisers’ creative flexibility, click‑through rates, and asset adaptability across diverse ad placements.

AIAdvertisingImage Outpainting

0 likes · 14 min read

SizeCube: AI‑Driven Arbitrary‑Size Image and Video Outpainting for Advertising

Alimama Tech

Mar 20, 2024 · Artificial Intelligence

Dolphin VectorDB: A High-Performance Vector Database for AI Applications

Dolphin VectorDB, created by Alibaba’s Alimama team, is a high‑performance, scalable vector database that delivers fast, cost‑effective AI‑driven vector storage and real‑time updates, supporting multiple query modes and powering applications such as content risk control, marketing Q&A, and audience selection, with ongoing enhancements for multimodal computing.

AI applicationsReal-time UpdatesVector Database

0 likes · 13 min read

Dolphin VectorDB: A High-Performance Vector Database for AI Applications

Alimama Tech

Mar 14, 2024 · Artificial Intelligence

High-Fidelity Image-to-Video Generation for E-commerce with AtomoVideo and Noise Rectification

Alibaba’s AI team introduced AtomoVideo, a diffusion‑based image‑to‑video generator enhanced by a training‑free Noise Rectification module that adds and corrects controlled noise to eliminate first‑frame errors, enabling merchants to automatically create high‑fidelity 4‑second 720p product videos with strong temporal consistency for e‑commerce advertising.

AIAIGCdiffusion model

0 likes · 10 min read

High-Fidelity Image-to-Video Generation for E-commerce with AtomoVideo and Noise Rectification

Alimama Tech

Mar 6, 2024 · Artificial Intelligence

Risk-Constrained Budget Pacing for Guaranteed Display Advertising

The paper introduces a percentile‑based risk‑constrained budget‑pacing algorithm for guaranteed‑delivery display ads that ties the pacing rate to the dual‑bidding factor’s percentile, preserving volume guarantees while preventing rapid spend bursts, using adaptive transforms, gradient clipping and stop‑loss controls, and demonstrates smoother spend and performance gains in large‑scale A/B tests.

Budget PacingOnline Optimizationalgorithm

0 likes · 16 min read

Risk-Constrained Budget Pacing for Guaranteed Display Advertising

Alimama Tech

Feb 29, 2024 · Industry Insights

How Alibaba’s Secure Data Hub Powers Cross‑Domain Advertising Tracking with Privacy‑Preserving Computation

This article details how Alibaba Mama’s Secure Data Hub (SDH) leverages multi‑party computation, federated learning, and differential privacy to break data silos in advertising, enabling secure cross‑domain user tracking, full‑domain asset analysis, and rapid, privacy‑compliant marketing insights.

MPCPrivacy Computingadvertising analytics

0 likes · 18 min read

How Alibaba’s Secure Data Hub Powers Cross‑Domain Advertising Tracking with Privacy‑Preserving Computation

Alimama Tech

Jan 24, 2024 · Artificial Intelligence

Hierarchical Masked 3D Diffusion Model for Video Outpainting

The Hierarchical Masked 3D Diffusion Model (M3DDM) introduces a masking‑based training strategy and cross‑attention with global video clips to achieve temporally consistent video outpainting, while a hybrid coarse‑to‑fine inference pipeline mitigates error accumulation, delivering state‑of‑the‑art results and deployment in Alibaba’s creative center.

3D diffusionACM MM2023AI video processing

0 likes · 12 min read

Hierarchical Masked 3D Diffusion Model for Video Outpainting

Alimama Tech

Jan 10, 2024 · Artificial Intelligence

Advances in Automated Bidding and Auction Mechanisms for Online Advertising

Advances in automated bidding for online ads have progressed from classic control and linear programming to reinforcement‑learning pipelines, offline and sustainable online RL, and finally generative‑model approaches, each enhancing decision strength, adaptability, and fairness while addressing simulation gaps, multi‑objective constraints, and real‑time efficiency.

Auction DesignGenerative AIOnline Advertising

0 likes · 25 min read

Advances in Automated Bidding and Auction Mechanisms for Online Advertising

Alimama Tech

Jan 3, 2024 · Artificial Intelligence

Alimama's 2023 Technical Highlights in AI and Advertising

Alimama’s 2023 newsletter details its AI‑driven advertising breakthroughs, from reinforcement‑learning bidding models and generative pricing (AIGB) to advanced auction mechanisms, historical‑data‑enhanced conversion‑rate prediction, and automated creative generation, highlighting related KDD/MM research papers and production‑level engineering implementations.

AIAlimamaBig Data

0 likes · 5 min read

Alimama's 2023 Technical Highlights in AI and Advertising

Alimama Tech

Dec 21, 2023 · Information Security

Alibaba Mama Secure Data Hub: Cloud Architecture and Privacy-Preserving Advertising

Alibaba Mama’s Secure Data Hub delivers a privacy‑enhanced clean‑room for advertising by combining multi‑party computation, federated learning and differential privacy with encrypted operators on a Flink engine, offering cloud‑agnostic, scalable deployment that enables cross‑domain analytics while protecting raw user data and boosting ROI.

Data SecurityPrivacy Computingadvertising analytics

0 likes · 13 min read

Alibaba Mama Secure Data Hub: Cloud Architecture and Privacy-Preserving Advertising

Alimama Tech

Dec 14, 2023 · Artificial Intelligence

AI-Driven Content Risk Control: System Evolution and Optimization at Alibaba

Alibaba Mom’s AI‑driven content risk platform has evolved from simple rule‑matching to a data‑centric, serverless architecture that integrates large‑model acceleration, decision‑tree compilation, high‑throughput vector retrieval and elastic word‑matching, delivering sub‑100 ms text and sub‑1 s image moderation while remaining stable during peak promotional traffic.

AIcontent moderationdevops

0 likes · 25 min read

AI-Driven Content Risk Control: System Evolution and Optimization at Alibaba