navigable database

It also introduced briefly the concept of navigable database and discussed the source of the navigable data in the city transportation system and the theories of navigable data processes.

在简要介绍导航数据库概念后，讨论了城市交通系统中导航数据的来源及导航数据的处理理论。

on navigable database for location-based service

定位服务中的导航地理数据

Navigable Database of City

城市导航地理数据库

A Study of Semantic Service of Spatial Information for Navigable Geo-Spatial Database Based on Ontology

基于本体的异构导航数据库集成与空间信息语义服务研究

The navigable database is the geographic database with uniform technical standards to satisfy the requirement of intelligent transportation system and location based service.

导航数据库（Navigable Database）是指针对智能交通系统与定位服务应用需求而建立的具有统一技术标准的地理数据库。