 's work. In light of evidence  showing that Google Flu Trends was occasionally over-estimating flu rates, researchers have also proposed a series of more advanced and better-performing approaches to flu modeling from Google search queries.
<meaning-changed>  's work. In light of evidence  showing that Google Flu Trends was occasionally over-estimating flu rates, researchers have also proposed a series of more advanced and better-performing approaches to flu modeling from Google search queries.
 's work. In light of evidence showing that Google Flu Trends sometimes substantially overestimated actual flu rates, researchers have also proposed a series of more advanced and better-performing approaches to flu modeling from Google search queries.