An exhibitor demonstrates an anti-terrorism program at the big data expo in Guiyang, Southwest China's Guizhou province on May 25, 2017. By collecting and analyzing the public's water, electricity and gas consumption data, police can identify a potential terrorist's home if the data is abnormal. (Photo/chinadaily.com.cn)
The China International Big Data Expo kicked off on Thursday in Guiyang, capital city of Southwest China's Guizhou province. The four-day event features cutting-edge products based on big data technology, face-recognition technology, virtual reality and artificial reality.