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Baidu Maps Tech Team

Want to see the Baidu Maps team's technical insights, learn how top engineers tackle tough problems, or join the team? Follow the Baidu Maps Tech Team to get the answers you need.

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Recent Articles

Latest from Baidu Maps Tech Team

40 recent articles
Baidu Maps Tech Team
Baidu Maps Tech Team
Apr 22, 2026 · Industry Insights

How Beidou’s PPP‑RTK Transforms Global Centimeter‑Level Positioning

This article dissects Beidou’s star‑ground integrated PPP‑RTK system, comparing it with traditional RTK, detailing core technologies such as precise orbit/clock products, multi‑frequency bias correction, atmospheric modeling, trustworthy positioning, lightweight networking, and smart‑terminal phase solutions that together enable worldwide centimeter‑level navigation.

BeidouGNSSPPP-RTK
0 likes · 17 min read
How Beidou’s PPP‑RTK Transforms Global Centimeter‑Level Positioning
Baidu Maps Tech Team
Baidu Maps Tech Team
Apr 20, 2026 · Artificial Intelligence

How Baidu Maps Reinvents LBS Search with Multi‑Agent AI and RL

Facing the shift from keyword indexing to generative AI, Baidu Maps overhauled its LBS architecture by introducing a native multi‑agent system, context‑engineering (ACE) framework, and reinforcement‑learning alignment, enabling dynamic routing, knowledge evolution, and a 36% boost in planning compliance while maintaining zero‑tolerance for factual errors.

AI agentsContext EngineeringLLM
0 likes · 10 min read
How Baidu Maps Reinvents LBS Search with Multi‑Agent AI and RL
Baidu Maps Tech Team
Baidu Maps Tech Team
Nov 19, 2025 · Artificial Intelligence

Boosting Socio‑Economic Q&A: The ARAG Framework Merges Structured Data Analysis with RAG

ARAG introduces a novel Retrieval‑Augmented Generation framework that tightly integrates LLM‑driven structured data analysis with unstructured information retrieval, addressing the “structured + unstructured” reasoning gap in socio‑economic queries, and demonstrates superior accuracy, robustness, and hallucination resistance through extensive evaluations.

Data AnalysisHallucination mitigationLLM
0 likes · 12 min read
Boosting Socio‑Economic Q&A: The ARAG Framework Merges Structured Data Analysis with RAG
Baidu Maps Tech Team
Baidu Maps Tech Team
Nov 10, 2025 · Fundamentals

How GENREGION Revolutionizes City Region Segmentation with Vector Road Networks

GENREGION is an open‑source, vector‑based city region segmentation system that leverages road‑network graphs, novel MBR‑based clustering, and recursive left‑most vector search to produce semantically accurate, scalable polygons, outperforming traditional grid and vector methods in both semantic similarity and computational efficiency.

city segmentationclusteringspatial analysis
0 likes · 11 min read
How GENREGION Revolutionizes City Region Segmentation with Vector Road Networks
Baidu Maps Tech Team
Baidu Maps Tech Team
Oct 23, 2025 · Artificial Intelligence

How LightGBM Boosts Urban GNSS Accuracy by Detecting NLOS Errors

This article presents a reliable NLOS error identification method for GNSS in urban environments, combining fisheye camera and inertial navigation for objective labeling, extracting six signal features, and employing an optimized LightGBM classifier that achieves high precision and real‑time performance, markedly improving positioning accuracy.

GNSSLightGBMNLOS detection
0 likes · 15 min read
How LightGBM Boosts Urban GNSS Accuracy by Detecting NLOS Errors
Baidu Maps Tech Team
Baidu Maps Tech Team
Jul 31, 2025 · Artificial Intelligence

How Baidu’s AI Voice Assistant Turns Speech into Precise Navigation Commands

This article explains how Baidu Map’s AI voice assistant converts spoken commands into precise navigation actions by detailing the speech‑to‑text pipeline, intent parsing, template and generative approaches, tool‑calling mechanisms, memory and reflection capabilities, and future directions for intelligent agents.

AIIntent ParsingLLM
0 likes · 14 min read
How Baidu’s AI Voice Assistant Turns Speech into Precise Navigation Commands
Baidu Maps Tech Team
Baidu Maps Tech Team
Jun 30, 2025 · Artificial Intelligence

How Baidu Maps Uses AI to Deliver Ultra‑Accurate ETA Predictions

This article explains how Baidu Maps' ETA system evolved from simple static calculations to AI-driven predictive models, detailing the four development stages, the underlying pre‑trained traffic large model, end‑to‑end route time prediction, and real‑world applications such as commuting, airport transfers, and holiday travel.

AIETATraffic Prediction
0 likes · 8 min read
How Baidu Maps Uses AI to Deliver Ultra‑Accurate ETA Predictions
Baidu Maps Tech Team
Baidu Maps Tech Team
Nov 3, 2021 · Artificial Intelligence

How AI Predicts Real-Time Parking Availability Without Sensors

This article explains how Baidu Maps leverages AI and spatio‑temporal big‑data to predict real‑time parking space availability for sensor‑less lots, detailing the overall approach, feature engineering, grid computation, real‑time feature calculation, and a multi‑branch deep learning model validated at KDD.

AIParking Predictiondeep learning
0 likes · 13 min read
How AI Predicts Real-Time Parking Availability Without Sensors