Treasure is a type of Possession. you are likely to find Possession in/at/on House. House is the opposite of Homeless. 
Property is related to Value. Value is related to Concept. Scheme is a type of Concept. 
Treasure --IsA--> Possession --AtLocation--> House <--Antonym--> Homeless 
Property <--RelatedTo--> Value <--RelatedTo--> Concept <--IsA-- Scheme 