Tagged articles

travel app

4 articles · Page 1 of 1
Software Engineering 3.0 Era
Software Engineering 3.0 Era
Apr 22, 2026 · Operations

Is This the Longest Service Outage Ever Recorded?

The article examines the航旅纵横 app’s service disruption that began at 12:30 PM on April 21 and lasted until 7:47 AM on April 22—over 19 hours—questioning whether this duration ranks among the longest outages ever, citing official posts, AI‑generated rankings, and a reminder that high‑availability depends on disciplined engineering rather than tools.

AIHigh Availabilitydowntime
0 likes · 3 min read
Is This the Longest Service Outage Ever Recorded?
Zhixing ZXD Design Center
Zhixing ZXD Design Center
Dec 4, 2023 · Product Management

How Travel Apps Boost User Experience: 4 Real‑World Design Case Studies

This article examines four practical design cases—Amap’s traffic‑light countdown, Google Maps’ concise route display, Amap’s group‑share feature, and Didi’s friend‑travel function—showing how travel apps enhance transparency, convenience, and comfort for users through thoughtful UI and interaction design.

Case StudyMobile UIproduct design
0 likes · 4 min read
How Travel Apps Boost User Experience: 4 Real‑World Design Case Studies
Tongcheng Travel Technology Center
Tongcheng Travel Technology Center
Apr 14, 2023 · Artificial Intelligence

Multi‑Business Recommendation System for the Tongcheng App Home Page Waterfall Flow

This article describes the architecture, data processing, city‑intent modeling, resource recall strategies, and multi‑task ranking models—including PLE‑CGC and ESMM—used to improve click‑through and conversion rates of the Tongcheng travel app's homepage waterfall‑flow recommendation, and outlines experimental results and future optimization directions.

CTRCVRESMM
0 likes · 10 min read
Multi‑Business Recommendation System for the Tongcheng App Home Page Waterfall Flow