Another set of notes I found on this theme strikes me as getting to the point more quickly and though they read a little rough in places I think it may be worth the effort to fill out their general line of approach.
cc: Conceptual Graphs • Cybernetics • Laws of Form • Ontolog Forum
cc: FB | Semeiotics • Structural Modeling • Systems Science
Inquiry Into Inquiry 
Pingback: Survey of Semiotics, Semiosis, Sign Relations • 3 | Inquiry Into Inquiry