ICNEA 6421—Internet search service

Where 6421 sits

1. I Information transmission, software and information technology services
2. 64 Internet and related services
3. 642 Internet Information Service
4. 6421 Internet search service

What 6421 includes

• Includes the following Internet search service activities：
• Internet Comprehensive search service
• Internet Vertical search service
• Internet content search service
• Semantic analysis and search services
• Intelligent search system
• Other Internet search services
• Refers to a special site in the Internet that is specifically used to help people find information stored on other sites.

6421 in other systems