Tagged articles

bandit algorithm

5 articles · Page 1 of 1

Sep 1, 2026 · Mobile Development

Can Walking More Steps Reduce Workplace Stress? A Deep Dive into Mobile Intervention Technology

A randomized trial showed that a step‑tracking app lowered office workers' psychological distress, and the article breaks down the system architecture, data collection, just‑in‑time adaptive interventions, statistical evaluation, 2026 AI advances, and practical engineering advice for building such health‑focused mobile solutions.

JITAIK10activity tracking

0 likes · 11 min read

Can Walking More Steps Reduce Workplace Stress? A Deep Dive into Mobile Intervention Technology

TechVision Expert Circle

Aug 28, 2026 · Mobile Development

Can Walking a Few Extra Steps a Day Reduce Workplace Stress? A Technical Deep‑Dive

A recent randomized trial shows that a smartphone‑based step‑tracking and nudging app can lower office workers' psychological distress, and the article breaks down the system’s sensor pipeline, adaptive intervention engine, statistical evaluation, and 2026 tech upgrades like on‑device models and federated learning.

JITAIK10 scalebandit algorithm

0 likes · 11 min read

Can Walking a Few Extra Steps a Day Reduce Workplace Stress? A Technical Deep‑Dive

HelloTech

Jun 21, 2022 · Backend Development

Recommendation Engine Upgrade Path, Architecture, and Performance Optimization for the "Guangguang" Content Community

The article details Guangguang’s shift from a rule‑based, Hive‑driven recommendation pipeline to an algorithmic service that leverages Elasticsearch and Redis for multi‑source recall, coarse and fine model ranking, exposure filtering, cold‑start handling, latency optimizations, reliability monitoring, and future vector‑based enhancements.

ElasticsearchPerformance OptimizationRedis

0 likes · 16 min read

Recommendation Engine Upgrade Path, Architecture, and Performance Optimization for the "Guangguang" Content Community

Didi Tech

May 19, 2021 · Artificial Intelligence

Applying Epsilon‑Greedy Bandit Algorithm for Content Delivery Optimization at DiDi

DiDi applied the epsilon‑greedy bandit algorithm integrated with its CMS to optimize ad placement across 600 slots, using quality scores, traffic sampling, and a drag‑and‑drop UI, which boosted CTR from 1.35% to 13.43% and unique visitors by 686%, demonstrating data‑driven growth beyond simple A/B testing.

Content OptimizationEpsilon-Greedybandit algorithm

0 likes · 10 min read

Applying Epsilon‑Greedy Bandit Algorithm for Content Delivery Optimization at DiDi

Huajiao Technology

Mar 24, 2020 · Artificial Intelligence

How to Overcome Recommendation Cold Start: Methods and Huajiao Live’s Real‑World Practices

This article explains the cold‑start problem in recommendation systems, outlines common industry solutions such as popular‑content, group‑representative, auxiliary‑information, bandit algorithms, and deep learning, and details how Huajiao Live applied these techniques to improve new‑user engagement and metrics.

Huajiao Livebandit algorithmcold start

0 likes · 13 min read

How to Overcome Recommendation Cold Start: Methods and Huajiao Live’s Real‑World Practices