A user interface for presenting and searching relationships between document objects located on a network is described. The user interface may include a first portion of a screen display for displaying one or more link relationship attributes and a second portion of the screen display for displaying one or more entries from a group consisting of: (a) link references that represent the document objects, (b) link relationship attributes describing the link relationships, (c) link reference attributes describing the link references, and (d) document objects. The displayed entries in the second portion of the user interface are related to the displayed one or more link relationship attributes in the first portion.