The system structure is a multilayer system structure with five layers. They are user interactive layer, system program interface layer, mining core service layer, data access layer, database layer.

系统使用五层体系结构，分别为：用户交互层，系统编程接口层，挖掘核心服务层，数据库访问层，数据库。

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CIDG International data Group - China is the emerging interactive Internet information data processing, technical research and development, design, marketing and application service providers.

CIDG国际数据集团是目前国内新兴的的互联网交互式信息数据处理、技术研发、设计、推广及应用服务的提供商。

youdao

CIDG International data Group - China is the emerging interactive Internet information data processing technical research and development design marketing and application service providers.

CIDG国际数据集团是目前国内新兴的的互联网交互式信息数据处理、技术研发、设计、推广及应用服务的提供商。

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