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Sigma AI develops intelligent marking systems that use machine learning to grade homework and test papers.
Founded in 2014 and based in Beijing, China, Sigma AI develops intelligent marking systems for education. Its platform uses machine learning and artificial intelligence to mark homework and test papers in place of teachers. The company was recognized as a National High-tech Enterprise. Founder Zhilun Yang graduated from Tsinghua University and has worked at the Bank of China Head Office and Baidu Deep Learning Institute. In November 2018 it closed series B funding from new investor Silver Tiger Capital.
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