Update README.md

README.md

@@ -43,7 +43,7 @@ The model was evaluated using the following metrics:
 
 ## Research
 
-The underlying research for emotion extraction from financial social media can be found in: [EmTract: Extracting Emotions from Social Media](https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3975884).
+The underlying research for emotion extraction from financial social media can be found on: [arxiv](https://arxiv.org/abs/2112.03868) and [SSRN](https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3975884).
 
 ### Citation