Read the paper Gias coauthored about incorrectness in AI-generated code or explore more of his research. 

You can connect with Gias via his website.

We previously covered research on Stack Overflow code snippets that Gias was involved in and spoke to his team about deriving sentiment from SO comments.  

Shoutout to Stack Overflow user Adhi Ardiansyah for an excellent explanation of How to update a GitHub access token via command line.