Roleset double.01 Verbnet Class: 1 "rise twofold":

Roles:

Arg0:causer of increase


Arg1:thing increasing, rising


Arg2:EXT, always unmentioned because it's 2x


Arg3:start point


Arg4:end point

Examples:

just transitive (-)
One person familiar with Georgia-Pacific said the acquisition would more than double the company's debt of almost $3 billion.
Arg0:	the acquisition
ArgM-MOD:	would
ArgM-ADV:	more than
REL:	double
Arg1:	the company's debt of almost $3 billion




with end point (-)
That purchase doubled Quebecor's annual printing revenue to $750 million.
Arg0:	That purchase
REL:	doubled
Arg1:	Quebecor's annual printing revenue
Arg4-to:	$750 million




start and end points, ergative (-)
Genentech Inc. said third-quarter profit more than doubled to $11.4 million, or 13 cents a share, from a depressed 1988 third-quarter performance of $5.3 million, or six cents a share.
Arg1:	third-quarter profit
ArgM-ADV:	more than
REL:	doubled
Arg4-to:	$11.4 million, or 13 cents a share,
Arg3-from:	a depressed 1988 third-quarter performance of $5.3 million, or six cents a share

Note the ADV tagging of modifiers such as "almost" or "more than".

Roleset double.02 Verbnet Class: NONE "act":

Roles:

Arg0:actor


Arg1:role

Examples:

person: ns tense: ns aspect: progressive voice: active form: participle


double agent (-)
One expert, whose job is so politically sensitive that he spoke on condition that he wouldn't be named, said the expected influx of East European refugees over the next few years will greatly increase the number of computer-maintenance workers, for example, doubling as foreign spies.
Arg0:	computer-maintenance workers
Argm-DIS:	for example
REL:	doubling
Arg1-as:	foreign spies