Internet can be Useful. Useful is a synonym of Favorable. Favorable is derived from Favor. 
Upper is related to Advantage. Advantage is a synonym of Benefit. Benefit is the opposite of Obstacle. Barrier is a type of Obstacle. 
Internet --HasProperty--> Useful <--Synonym--> Favorable --DerivedFrom--> Favor 
Upper <--RelatedTo--> Advantage <--Synonym--> Benefit <--Antonym--> Obstacle <--IsA-- Barrier 