update seungchan's profile description

Author: seungchan-kim

_team/seungchan_kim.md

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-Seungchan is a PhD student at Robotics Institute, Carnegie Mellon University. He graduated from Brown University with B.S. in Applied Mathematics & Computer Science and M.S. in Computer Science. 
+Seungchan Kim is a PhD student at Robotics Institute, Carnegie Mellon University. He graduated from Brown University with B.S. in Applied Mathematics & Computer Science and M.S. in Computer Science. 
 
-His research interests are mobile robot exploration & navigation, multi-robot systems, and embodied AI. He is currently working on semantic exploration and map prediction for exploration. 
+His research interests are autonomous mobile robot exploration, multi-robot systems, and semantic mapping. He is currently working on open-set semantic navigation and map-prediction-empowered exploration. 
 
 ## Website ##
 [https://seungchan-kim.github.io/](https://seungchan-kim.github.io/)