1. A method for accessing and organizing tag-related data, the method being implemented by at least one computer including one or more processors and comprising: accessing data associated with one or more entities, the entities associated with one or more tags having one or more tag identifiers, the data being stored in one or more data repositories; accessing data associated with one or more tags having one or more tag identifiers, the data associated with the one or more tags being stored in one or more data repositories and includes location information; linking the accessed data associated with the one or more entities together with the accessed data associated with the one or more tags using the one or more tag identifiers, to provide location information of the one or more entities using the location information of the one or more tags; receiving at least one query or keyword search; determining two or more tag identifiers that satisfy the query or keyword search; and ranking the determined two or more tag identifiers based on tag references of the determined two or more tag identifiers.