http://premon.fbk.eu/resource/vn32-discover-84-1-1_frame_2 an entity of type: VerbNetFrame

8.1 
NP V PP.theme S_ING 
P-POSSING; about-PP 
discover(during(E), Agent, Theme, ?Source) 
Agent V {about} Theme [+poss_ing] 

data from the linked data cloud