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POI

31 articles · Page 1 of 1
Baidu Maps Tech Team
Baidu Maps Tech Team
Jun 11, 2026 · Artificial Intelligence

DuIVRS-2: End-to-End Large-Scale Interactive POI Update System

The article analyzes Baidu's DuIVRS-2, an end‑to‑end large‑scale interactive voice‑response system for POI data collection, detailing its architectural innovations, data‑augmentation, low‑latency LLM management, dual‑model iterative learning, engineering optimizations, and extensive offline and online experiments that demonstrate superior accuracy, speed, and cost efficiency over prior solutions.

IVRLLMPOI
0 likes · 18 min read
DuIVRS-2: End-to-End Large-Scale Interactive POI Update System
Architect's Guide
Architect's Guide
Jan 1, 2026 · Backend Development

How to Efficiently Import and Export Millions of Records with POI and EasyExcel

This article explains how to handle massive Excel import/export tasks in Java by comparing POI workbook implementations, selecting the appropriate class based on data size, and using EasyExcel with batch processing, JDBC transactions, and pagination to achieve fast, low‑memory operations for hundreds of millions of rows.

EasyExcelJavaPOI
0 likes · 21 min read
How to Efficiently Import and Export Millions of Records with POI and EasyExcel
php Courses
php Courses
Dec 3, 2025 · Backend Development

How to Display Nearby POIs with PHP and Baidu Maps API

This step‑by‑step guide shows how to register a Baidu Maps developer account, create a PHP script that loads the BaiduMapAPI library, build a simple HTML page with a map container, retrieve nearby points of interest via the API, and display them using Ajax and the browser's geolocation.

AJAXBaidu Maps APIPHP
0 likes · 6 min read
How to Display Nearby POIs with PHP and Baidu Maps API
php Courses
php Courses
Sep 25, 2025 · Backend Development

Build a POI Map with PHP & Baidu Maps API: Step-by-Step Guide

This tutorial walks you through registering a Baidu developer account, creating a PHP script, building a simple front‑end page, fetching nearby points of interest via the Baidu Maps API, and using Ajax to display the results on a map for enhanced navigation.

AJAXBaidu Maps APIPHP
0 likes · 6 min read
Build a POI Map with PHP & Baidu Maps API: Step-by-Step Guide
php Courses
php Courses
Dec 12, 2024 · Backend Development

How to Display Nearby Points of Interest Using PHP and Baidu Maps API

This tutorial explains step-by-step how to register a Baidu Maps developer account, set up a PHP script, create an HTML page with a map container, retrieve geographic coordinates via JavaScript, call the Baidu Maps API to fetch nearby points of interest, and render them on the page.

AJAXBaidu Maps APIPHP
0 likes · 6 min read
How to Display Nearby Points of Interest Using PHP and Baidu Maps API
php Courses
php Courses
Apr 15, 2024 · Backend Development

How to Display Nearby Points of Interest Using PHP and Baidu Maps API

This tutorial explains step‑by‑step how to register a Baidu Maps developer account, create a PHP script, build a simple HTML page, retrieve geographic coordinates via Ajax, call the Baidu Maps API to fetch surrounding POIs, and render them on the map for a web project.

AJAXPOIbaidu-maps
0 likes · 6 min read
How to Display Nearby Points of Interest Using PHP and Baidu Maps API
Java Interview Crash Guide
Java Interview Crash Guide
Aug 10, 2023 · Big Data

How to Efficiently Import and Export Millions of Records with EasyExcel and POI

This article explains the differences between POI's HSSFWorkbook, XSSFWorkbook and SXSSFWorkbook, provides guidelines for selecting the right workbook based on data volume and Excel features, and demonstrates batch export and import of hundreds of millions of rows using EasyExcel, JDBC batch inserts, and transaction control to achieve high performance and low memory consumption.

EasyExcelJavaPOI
0 likes · 22 min read
How to Efficiently Import and Export Millions of Records with EasyExcel and POI
Top Architect
Top Architect
Jan 31, 2023 · Backend Development

Handling Large-Scale Excel Import/Export with POI and EasyExcel in Java

This article explains how to efficiently import and export massive Excel datasets in Java by comparing POI implementations, selecting the appropriate workbook type, and using EasyExcel with batch processing, pagination, and JDBC transactions to achieve high performance for hundreds of thousands to millions of rows.

EasyExcelExcelJava
0 likes · 23 min read
Handling Large-Scale Excel Import/Export with POI and EasyExcel in Java
Java High-Performance Architecture
Java High-Performance Architecture
Dec 4, 2022 · Backend Development

How to Efficiently Import and Export Millions of Records with EasyExcel and POI

This article explains the challenges of large‑scale Excel import/export in Java, compares POI workbook implementations, introduces EasyExcel for high‑performance handling of hundreds of thousands to millions of rows, and provides detailed code examples for batch querying, sheet management, and JDBC batch insertion with transaction control.

Batch ProcessingEasyExcelJDBC
0 likes · 23 min read
How to Efficiently Import and Export Millions of Records with EasyExcel and POI
Top Architect
Top Architect
Nov 22, 2022 · Big Data

Efficient Massive Excel Import/Export with POI and EasyExcel in Java

This article explains how to efficiently import and export massive datasets (up to millions of rows) between Excel and databases using Apache POI, SXSSF, and Alibaba's EasyExcel, comparing workbook types, outlining performance considerations, and providing Java code examples for batch processing, paging, and transaction management.

Batch ProcessingBig DataEasyExcel
0 likes · 23 min read
Efficient Massive Excel Import/Export with POI and EasyExcel in Java
Architect
Architect
Oct 21, 2022 · Databases

Designing Efficient POI Proximity Search with MySQL, GeoHash, and Redis

This article explains how to implement fast nearby POI queries by calculating distances with the Haversine formula, designing MySQL tables and indexes, applying GeoHash for dimensionality reduction, and leveraging Redis Geo for high‑concurrency scenarios, while also providing Go code examples for each step.

GeoHashGoMySQL
0 likes · 29 min read
Designing Efficient POI Proximity Search with MySQL, GeoHash, and Redis
Architect
Architect
Oct 3, 2022 · Big Data

Efficient Import and Export of Massive Data Using POI and EasyExcel

This article explains how to handle large‑scale Excel import and export in Java by comparing traditional POI workbooks, selecting the appropriate implementation based on data volume and requirements, and presenting a high‑performance solution with EasyExcel, batch processing, and JDBC transactions for hundreds of millions of rows.

EasyExcelJavaPOI
0 likes · 22 min read
Efficient Import and Export of Massive Data Using POI and EasyExcel
Amap Tech
Amap Tech
Nov 4, 2021 · Artificial Intelligence

POI Signboard Image Retrieval: Technical Solution, Model Design, and Future Directions

To efficiently filter unchanged POI signboards, the authors propose a multimodal image‑retrieval system that combines enhanced global and local visual features with BERT‑encoded OCR text, using metric learning and alignment techniques to achieve over 95 % accuracy while handling occlusion, viewpoint variation, and subtle text changes.

Deep LearningMultimodal LearningPOI
0 likes · 17 min read
POI Signboard Image Retrieval: Technical Solution, Model Design, and Future Directions
Amap Tech
Amap Tech
Oct 14, 2021 · Artificial Intelligence

CCF Big Data & Computing Intelligence Contest – POI Name Generation Challenge

The 9th CCF Big Data & Computing Intelligence Contest partners with Gaode Map to launch a POI Name Generation challenge, requiring participants to fuse image, signboard detection, and OCR data to automatically produce accurate, fluent place names, with a ¥50,000 prize pool, weekly vouchers, and recruitment opportunities for global teams.

AINLPPOI
0 likes · 7 min read
CCF Big Data & Computing Intelligence Contest – POI Name Generation Challenge
Top Architect
Top Architect
Sep 6, 2021 · Backend Development

Java Excel Import/Export Utility with Custom Annotations

This article explains how to create a reusable Java utility for Excel import and export using custom annotations, POI library, and helper methods to handle data mapping, dropdown validation, and HTTP response streaming, providing step‑by‑step code examples for both operations.

ExcelImportExportJava
0 likes · 9 min read
Java Excel Import/Export Utility with Custom Annotations
Amap Tech
Amap Tech
Mar 22, 2021 · Artificial Intelligence

Visual Technology for Automated POI Name Generation: STR, Text Detection, and Naming Practices

Amap’s visual‑technology pipeline automatically generates and updates POI names by crowdsourcing street‑level images, applying deep‑learning scene‑text recognition, dual‑branch classification of text attributes, and a BERT‑plus‑graph‑attention model that selects and orders recognized text, achieving about 95 % naming accuracy.

Deep LearningName GenerationOCR
0 likes · 14 min read
Visual Technology for Automated POI Name Generation: STR, Text Detection, and Naming Practices
The Dominant Programmer
The Dominant Programmer
Aug 31, 2020 · Backend Development

Implement Excel Import/Export in RuoYi’s Front‑Back‑End Separation Using ElementUI and SpringBoot

This guide walks through adding an Excel import dialog with ElementUI, configuring upload handling, token authentication, progress and success callbacks, and a SpringBoot POI‑based import endpoint, then shows how to create an export button that uses RuoYi’s ExcelUtil and annotation‑driven export logic.

ElementUIExcelExport
0 likes · 12 min read
Implement Excel Import/Export in RuoYi’s Front‑Back‑End Separation Using ElementUI and SpringBoot
Amap Tech
Amap Tech
Apr 10, 2020 · Backend Development

Platformization of POI Deep Information Integration at Amap: Design and Implementation

Amap transformed its fragmented POI deep‑information pipelines into a unified platform that automates data acquisition, parsing, dimension alignment, specification mapping, and lifecycle management across billions of records, enabling product managers to integrate, debug, and scale diverse content‑provider feeds with real‑time, end‑to‑end control.

Big DataConversion EngineData Integration
0 likes · 13 min read
Platformization of POI Deep Information Integration at Amap: Design and Implementation
Amap Tech
Amap Tech
Dec 6, 2019 · Artificial Intelligence

Semantic Understanding of Merchant Signboards for Automatic POI Name Generation at Amap

Amap's POI naming automation uses a two-stage cascade model: Stage 1 extracts token and sentence features with POS tags and domain-adapted BERT‑POI; Stage 2 employs a Bi‑LSTM to model line relationships, achieving over 95% semantic accuracy and 3‑6% recall improvements, thereby enhancing automatic signboard‑based POI name generation.

BERTLSTMMultimodal AI
0 likes · 7 min read
Semantic Understanding of Merchant Signboards for Automatic POI Name Generation at Amap
Programmer DD
Programmer DD
Nov 21, 2019 · Backend Development

Mastering High‑Performance Excel Export in Java: A Complete Guide

This article explains how to build a reusable Java utility for exporting massive Excel reports, covering customizable headers, field formatting, multithreaded data retrieval, asynchronous processing, and provides full source code with detailed analysis and usage instructions.

ExcelExportJava
0 likes · 17 min read
Mastering High‑Performance Excel Export in Java: A Complete Guide
Java Captain
Java Captain
Oct 13, 2019 · Backend Development

Implementing a Flexible Excel Export Utility in Java with Apache POI

This article explains how to design a reusable Java utility for exporting large volumes of data to Excel using Apache POI, covering header configuration, data transformation, cell formatting, multi‑threaded data retrieval, asynchronous processing, and provides sample code and usage instructions.

ExcelJavaPOI
0 likes · 15 min read
Implementing a Flexible Excel Export Utility in Java with Apache POI
Xianyu Technology
Xianyu Technology
May 16, 2018 · Artificial Intelligence

Geographic Alias Mining and Knowledge Base Construction Using Contextual Vectors and Address Similarity

The paper presents two inexpensive techniques for extracting geographic aliases of points of interest—comparing high‑dimensional contextual vectors of nearby shipping addresses and analyzing co‑occurring words in identical addresses—to construct a knowledge base that links official names with their synonyms, improving location‑based service accuracy.

Cosine SimilarityGeographic AliasKnowledge Base
0 likes · 9 min read
Geographic Alias Mining and Knowledge Base Construction Using Contextual Vectors and Address Similarity