1. A system for managing information such as objects on networks or in organized information stores, the system comprising: a computer including a memory and a processor; one or more link directories, wherein at least one link directory is stored in the memory, each link directory comprising a link relationship table that includes a plurality of link relationship entries representing link relationships, each link relationship entry comprising: a plurality of fields describing the represented link relationship, the fields comprising: a first field comprising a unique identifier for a first document object of the represented link relationship; a second field comprising a unique identifier for a second document object of the represented link relationship; and a plurality of attribute fields populated with attributes providing information that defines a plurality of relationships between the first document object and the second document object, wherein the plurality of relationships enable the link relationship entry to be used to search for, retrieve, publish, filter and sort the first document object, the second document object and the link relationship represented by the link relationship entry; and one or more directional indicator fields in which one of the one or more directional indicator fields indicates that the link relationship only operates when accessed in the indicated direction.
15. The system of claim 1 in which the one or more link directories are stored in a relational database.