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Model Perspective
Model Perspective
May 24, 2024 · Fundamentals

Why Some Embrace Masks and Others Reject Them: An EPPM-Based Mathematical Model

This article explores how the Extended Parallel Processing Model (EPPM) explains differing mask‑wearing behaviors during the COVID‑19 pandemic, presents a simple mathematical model quantifying threat and efficacy perceptions, and derives practical public‑health insights from the analysis.

Extended Parallel Process ModelPandemic Responsebehavioral modeling
0 likes · 7 min read
Why Some Embrace Masks and Others Reject Them: An EPPM-Based Mathematical Model
Qunar Tech Salon
Qunar Tech Salon
Jul 27, 2020 · Operations

Website Operations at Qunar: Ensuring Stability, Security, and Efficiency During the Pandemic

The interview with Sun Bin, head of Qunar's website operations, explains how the team acted as a specialized "BlackOps" unit to provide robust technical guarantees, automate problem‑solving, protect user data, optimize resources, and maintain continuous service during the COVID‑19 outbreak.

Cost OptimizationPandemic Responsecloud infrastructure
0 likes · 10 min read
Website Operations at Qunar: Ensuring Stability, Security, and Efficiency During the Pandemic
JD Retail Technology
JD Retail Technology
Jun 15, 2020 · Industry Insights

How JD.com’s Smart Supply Chain Powered the 618 Mega‑Sale: Strategies & Algorithms

The article details JD.com’s Y Business Management Department’s data‑driven, algorithmic approaches to inventory forecasting, replenishment, allocation, and fulfillment during the 618 promotion, describing how big‑data predictions, dynamic programming, ADMM column generation, and cross‑department collaboration optimized costs, reduced stockouts, and enhanced customer experience amid pandemic challenges.

Algorithmic ForecastingBig DataE‑commerce Operations
0 likes · 21 min read
How JD.com’s Smart Supply Chain Powered the 618 Mega‑Sale: Strategies & Algorithms
Didi Tech
Didi Tech
Apr 30, 2020 · Artificial Intelligence

DGF-M: Face Recognition Algorithm for Masked Face Scenarios

Didi’s DGF‑M model, a mask‑aware face‑recognition AI, combines multi‑task training and synthetic data to detect masks with under 0.1 % miss rate and verify identities with up to 99.5 % pass rate at a 0.1 % false‑acceptance rate, and is deployed for driver verification, offered through the Didi Cloud API marketplace, and released as an open‑source solution to aid pandemic‑era security.

AI algorithmComputer VisionDGF-M
0 likes · 5 min read
DGF-M: Face Recognition Algorithm for Masked Face Scenarios
TAL Education Technology
TAL Education Technology
Mar 13, 2020 · R&D Management

R&D Team’s Pandemic Battle: Scaling Online Education with Zero Downtime

During the COVID‑19 outbreak, the product‑technology R&D team at a Chinese education provider rapidly shifted face‑to‑face courses online, expanded server capacity, implemented emergency plans, and released new teaching tools, achieving a zero‑downtime transition while maintaining high‑quality education.

Pandemic ResponseR&D
0 likes · 15 min read
R&D Team’s Pandemic Battle: Scaling Online Education with Zero Downtime
DataFunTalk
DataFunTalk
Mar 2, 2020 · Artificial Intelligence

AlphaGo and Reinforcement Learning: Enabling AI Solutions for Pandemic Response and Smart Logistics

The article reviews AlphaGo’s core deep‑learning and reinforcement‑learning technologies, explains reinforcement‑learning fundamentals, and explores their wide‑range applications from epidemic forecasting and medical decision support to smart logistics, vehicle dispatch, and resource allocation, while highlighting challenges and future opportunities.

AlphaGoPandemic ResponseSmart Logistics
0 likes · 18 min read
AlphaGo and Reinforcement Learning: Enabling AI Solutions for Pandemic Response and Smart Logistics
Alibaba Cloud Developer
Alibaba Cloud Developer
Feb 29, 2020 · Operations

How Alibaba’s Enterprise Intelligence Team Powered Remote Work During the Pandemic

During the COVID‑19 crisis, Alibaba mobilized multiple divisions—including DingTalk, Alipay, Alibaba Cloud, and its Enterprise Intelligence unit—to build a rapid‑response IT support team that delivered a work‑from‑home handbook, dozens of low‑code systems, and a province‑wide digital resumption platform, showcasing how digital transformation can keep a massive organization running smoothly under emergency conditions.

Alibaba CloudDigital TransformationLow‑code platform
0 likes · 15 min read
How Alibaba’s Enterprise Intelligence Team Powered Remote Work During the Pandemic
UCloud Tech
UCloud Tech
Feb 14, 2020 · Cloud Computing

How UCloud Powered Rapid Mask-Reservation Systems During COVID-19

During the COVID-19 outbreak, UCloud helped Ningbo’s districts launch mask-reservation platforms in just days by leveraging public-cloud components such as UK8S, UDB, UES and CI/CD pipelines, demonstrating fast, scalable, and resilient cloud-native solutions for high-traffic public services.

Pandemic Responsemask reservationpublic cloud
0 likes · 9 min read
How UCloud Powered Rapid Mask-Reservation Systems During COVID-19