Roleset signal.01 Verbnet Class: 1 "show, cause to see":

Roles:

Arg0:shower


Arg1:thing seen/shown


Arg2:seer

Examples:

no seer, nominal thing seen (-)
I would be very surprised if his departure signals any change in strategy or change in profit expectations.''
Arg0:	his departure
REL:	signals
Arg1:	any change in strategy or change in profit expectations




with seer, sentential thing seen (-)
Moreover, some analysts said they expect a foreign paper company with deeper pockets than Georgia-Pacific to end up acquiring Nekoosa, *trace* signaling to the rest of the industry that hostile bids are unproductive.
Arg0:	*trace*
REL:	signaling
Arg2-to:	the rest of the industry
Arg1:	hostile bids are unproductive

The target of the trace here is tough to spot; it's essentially the event of "a foreign paper company acquiring Nekoosa", which isn't a constituent of any sort, so it the trace can be left with no target.


different kind of seer (-)
Mr. Simmons said the results signal a turnaround for the maker of wire and wire products, which has struggled to remain competitive in the face of lower-priced, imported steel.
Arg0:	the results
REL:	signal
Arg1:	a turnaround
Arg2-for:	the maker of wire and wire products, which has struggled to remain competitive in the face of lower-priced, imported steel

Be sure to skip 'that' complementizers.