Original sentence: The site has been used by researchers at the University of Michigan to create a tool called the "Iffy Quotient", which draws data from Media Bias/Fact Check and NewsWhip to track the prevalence of 'fake news' and questionable sources on social media
Edited sentence: Data from the site has been used by researchers from MIT's Computer Science and Artificial Intelligence Lab and the Qatar Computing Research Institute to train an artificial intelligence machine learning algorithm to identify 'fake news'.The site has also been used by researchers at the University of Michigan to create a tool called the "Iffy Quotient", which draws data from Media Bias/Fact Check and NewsWhip to track the prevalence of 'fake news' and questionable sources on social media