Photo taken on May 26, 2018 shows the big data logo outside the venue of the China International Big Data Industry Expo in Guiyang, capital of southwest China's Guizhou Province. The expo opened here on Saturday. (Xinhua/Ou Dongqu)

GUIYANG, May 26 (Xinhua) -- An international expo on big data opened Saturday in southwest China's Guizhou Province, attracting over 40,000 participants from nearly 30 countries.

Focusing on the latest technological innovation and achievements, the four-day China International Big Data Industry Expo 2018 in the provincial capital of Guiyang will be attended by 388 exhibitors, according to the organizing committee.

The expo will include a summit on e-commerce innovation and development, eight panel discussions and more than 50 forums. Covering some 60,000 square meters, the expo's exhibition zones are dedicated to state-of-the-art technology, hardware, digital applications and experience, and startups.

The expo will also feature a global competition on big data and artificial intelligence.