Before revision:  We propose FLIN, a natural language interface for web navigation that maps NL commands to concept-level actions  rather than low-level UI interactions , thus being able to flexibly adapt to different websites and handle their transient nature.
After revision:  We propose FLIN, a natural language interface for web navigation that maps NL commands to concept-level actions ( rather than low-level UI interactions , thus being able to flexibly adapt to different websites and handle their transient nature.