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Latest from Ctrip Technology

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Ctrip Technology

Nov 20, 2025 · Big Data

How Ctrip Achieved Minute‑Level Real‑Time Analytics with Flink CDC & Apache Paimon

Ctrip transformed its traditional T+1 offline warehouse into a near‑real‑time lakehouse by integrating Flink CDC with Apache Paimon, designing a two‑stage CDC ingestion, optimizing performance, implementing dynamic updates, and deploying the solution across multiple business scenarios, achieving minute‑level latency, reduced costs, and faster data‑driven decisions.

CDCData EngineeringFlink

0 likes · 27 min read

How Ctrip Achieved Minute‑Level Real‑Time Analytics with Flink CDC & Apache Paimon

Ctrip Technology

Nov 6, 2025 · Artificial Intelligence

How TripCast Uses Masked 2D Transformers to Revolutionize Travel Time-Series Forecasting

TripCast introduces a masked 2D transformer pre‑training framework that treats travel demand as a two‑dimensional time‑series problem, leveraging time‑patch tokenization, dual masking and RevIN normalization to achieve state‑of‑the‑art forecasting performance on massive real‑world travel data.

2D transformerArtificial IntelligencePretraining

0 likes · 7 min read

How TripCast Uses Masked 2D Transformers to Revolutionize Travel Time-Series Forecasting

Ctrip Technology

Oct 30, 2025 · Operations

How BDD‑Driven HTA Automation Boosts Test Coverage and Cuts Costs

This article details a practical transformation from manual to automated testing using Jest and BDD‑generated HTA, explaining the challenges, technical solutions, mock‑data management, pipeline integration, and measurable results such as higher coverage, lower development cost, and faster release cycles.

BDDCI/CDHTA

0 likes · 28 min read

How BDD‑Driven HTA Automation Boosts Test Coverage and Cuts Costs

Ctrip Technology

Sep 25, 2025 · Artificial Intelligence

How Ctrip’s AI‑Powered Transpiler Automates Front‑End Migration and Java Upgrades

This article explains how Ctrip’s AI‑driven Transpiler, built on a ReAct‑inspired multi‑agent framework, automates code transpilation from CRN to xTaro and streamlines large‑scale Java 21 upgrades, dramatically reducing manual effort and improving accuracy across the software development lifecycle.

AI codingJava upgradecode transpilation

0 likes · 13 min read

How Ctrip’s AI‑Powered Transpiler Automates Front‑End Migration and Java Upgrades

Ctrip Technology

Sep 18, 2025 · Artificial Intelligence

How Multi‑Task LLM Services Slash Deployment Costs by 90% in Industrial NLP

This article summarizes Quincy Qu's COLING 2025 industry‑track paper that proposes a three‑stage multi‑task LLM framework for large‑scale NLP services, achieving performance comparable to single‑task models while reducing overall service cost by up to 90.9%.

Industrial AILLMNLP

0 likes · 7 min read

How Multi‑Task LLM Services Slash Deployment Costs by 90% in Industrial NLP

Ctrip Technology

Sep 2, 2025 · Big Data

How Ctrip Built a Near‑Real‑Time Lakehouse with Flink & Paimon

This article details Ctrip Business Travel’s implementation of a near‑real‑time data warehouse and lakehouse using Flink CDC and Apache Paimon, covering order wide‑table construction, automated ticket reminders, ad attribution, batch‑stream integration, and lessons on Partial Update, Aggregation, and Tag‑based incremental processing.

Batch-Stream IntegrationFlinkLakehouse

0 likes · 17 min read

How Ctrip Built a Near‑Real‑Time Lakehouse with Flink & Paimon

Ctrip Technology

Aug 22, 2025 · Artificial Intelligence

How AI Can Auto‑Generate Test Cases from PRDs and Cut Design Time by Up to 70%

This article explains how an AIGC‑driven solution uses large language models, prompt engineering, and a layered architecture built on Flask and LangChain to automatically transform product requirement documents into structured, BDD‑style test cases, achieving 89% adoption and up to 70% time reduction.

AI testingAIGCFlask

0 likes · 9 min read

How AI Can Auto‑Generate Test Cases from PRDs and Cut Design Time by Up to 70%

Ctrip Technology

Aug 14, 2025 · Artificial Intelligence

How Multimodal Large Models Can Auto-Generate UI Test Cases End‑to‑End

Leveraging multimodal large‑model AI, this article outlines a four‑stage evolution from text‑based UI element identification to fully autonomous, end‑to‑end generation of executable UI automation scripts, detailing system architecture, intelligent reasoning engine, and real‑world Ctrip hotel refund test case results.

Software TestingUI automationmultimodal AI

0 likes · 17 min read

How Multimodal Large Models Can Auto-Generate UI Test Cases End‑to‑End

Ctrip Technology

Aug 1, 2025 · Artificial Intelligence

How Semantic Search Transforms Hotel Booking: From Entity Recognition to Vector Retrieval

This article explores how Ctrip leverages advanced AI techniques—including named entity recognition, entity linking, large language models, and vector search—to replace traditional keyword queries with semantic search, dramatically improving hotel recommendation accuracy and user experience.

AILLMVector Retrieval

0 likes · 14 min read

How Semantic Search Transforms Hotel Booking: From Entity Recognition to Vector Retrieval

Ctrip Technology

Jul 10, 2025 · Frontend Development

How Visual Event Tracking Transforms Front‑End Data Collection: Inside Ctrip’s Hetu System

This article examines Ctrip's Hetu visual event‑tracking system, comparing it with traditional code‑based tracking, detailing its architecture, SDK modes, configuration workflow, and best‑practice implementations that improve efficiency, reduce coupling, and enhance data reliability across web, app, and mini‑program platforms.

Data CollectionFrontendSDK

0 likes · 22 min read

How Visual Event Tracking Transforms Front‑End Data Collection: Inside Ctrip’s Hetu System