5. The method of claim 4 , wherein the data in common between the plurality of concepts and the socially relevant data retrieved for the user's node, comprises: any data element existing in two or more of: (a) the entity objects representing the plurality of concepts which are not expressly linked to the user's node; (b) friend objects representing the friend nodes of the user's node and expressly linked to the user's node; and (c) linked entity objects representing the one or more linked concept nodes expressly related to a user's object representing the user's node.
5. The method of claim 4 , wherein the data in common between the plurality of concepts and the socially relevant data retrieved for the user's node, comprises: any data element existing in two or more of: (a) the entity objects representing the plurality of concepts which are not expressly linked to the user's node; (b) friend objects representing the friend nodes of the user's node and expressly linked to the user's node; and (c) linked entity objects representing the one or more linked concept nodes expressly related to a user's object representing the user's node. 6. The method of claim 5 , wherein querying the entity objects representing the plurality of concepts for data in common with the socially relevant data retrieved for the user's node, comprises: creating a joined table from: (a) the entity objects representing the plurality of concepts which are not expressly linked to the user's node, (b) friend objects representing the friend nodes of the user's node and expressly linked to the user's node, and (c) linked entity objects representing the one or more linked concept nodes expressly related to a user's object representing the user's node; and searching the joined table for redundant fields indicating the data in common between at least two or more of (a), (b), and (c).