BEIJING, Oct. 22 (Xinhua) -- A national public service platform of artificial intelligence (AI) resources has been launched in southwest China's Chongqing Municipality, the Science and Technology Daily reported Monday.

The data capacity of the platform will be not lower than 5 petabytes (one petabyre equals to 1,024 terabytes), with an image recognition rate higher than 95 percent, character recognition rate higher than 93 percent and voice recognition rate higher than 97 percent, according to standards set by the National Development and Reform Commission (NDRC).

The platform will have over five million items of standardized data, serving as a database for fields like finance, public security, intelligent manufacturing, smart education, and social services.

The platform promises to safeguard the security of information and data, be deeply integrated with the real economy and provide public services to benefit people's livelihood, said the newspaper.

Jointly built by Cloudwalk, Baidu, Tencent and iFlytek, the platform has served more than 200 enterprises during its test operation period.