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As part of its efforts to address such challenges, the Zhejiang provincial branch of China Mobile has developed a big data anti-fraud system, called Tiandun or Sky Shield in English. The system is equipped with machine learning technologies. Based on details of a large number of fraud cases provided by police departments, Sky Shield can recognize fraudulent communication behavior, differentiate it from normal calls and intercept spam calls and texts.

As part of that transfer, Amazon?again became the?world’s most valuable e-commerce company, a position?it previously had lost to Alibaba?last fall after it held a record-breaking IPO.

As of the end of March, the full-scale outstanding external debt, including domestic and foreign currencies, hit .97 trillion, with an increase of .5 billion from the end of 2018, or up by 0.3 percent, the administration said.

As of Saturday, the region had reached an online trade volume of more than 31 billion yuan (.43 billion) through the Alipay platform during the festival. Daily volume has seen an increase of more than 40 percent compared with the early months of the year, when the country was hit by the coronavirus epidemic, the statement said.

As part of the development of the digital economy, China is accelerating the integration of big data and the real economy, said Wei Kai, a researcher with the China Academy of Information and Communication Technology.