Chinese universities have significantly overtaken their American rivals in research output at one of the world’s leading artificial intelligence (AI) conferences, according to an analysis of more than 5,000 accepted papers that went viral on social media.Among the top 50 institutions contributing to the International Conference on Learning Representations (ICLR), held in Rio de Janeiro last month, mainland China accounted for about 44 per cent of the total, with Tsinghua University, Shanghai...