An interface and a method is provided for permitting a user to explore a collection of data. The data collection provides nodes as structural elements, and references which are assigned to nodes and hold the address of another node. Multiple references can be assigned to each node, thus guiding a user...http://www.google.co.uk/patents/US7188308?utm_source=gb-gplus-sharePatent US7188308 - Interface and method for exploring a collection of data
