Roleset link.01 Verbnet Class: 1 "attach":

Roles:

Arg0:agent, entity doing the tying


Arg1:patient, thing(s) being tied


Arg2:instrument, string

Examples:

(-)
Analysts noted yesterday that Cray Research's decision *trace* to link its $98.3 million promissory note to Mr. Cray's presence will complicate a valuation of the new company.
Arg0:	*trace*=Cray Research'
REL:	link
Arg1:	its $98.3 million promissory note
Arg1-to:	Mr. Cray's presence

Cf other verbs-of-attachment for additional examples.

Roleset link.02 Verbnet Class: 1 "join":

Roles:

Arg0:agent, entity doing the tying


Arg1:patient, thing(s) being tied


Arg2:instrument, string

Examples:

tie (-)
It hasn't diversified beyond steel, nor has it linked up with a joint venture partner to share costs and risks.
Arg0:	it
REL:	linked up
Arg1-with:	a joint venture partner
Argm-PNC:	to share costs and risks.

I'm assuming an implicit "itself" as the other arg1.