Matrix (U-matrix) Methods
U-matrix methods are used to vizualize a high-dimensional
data space and to detect interesting structures in multdimensional datasets.
The document exploration tool WEBSOM provides
an ordered map of the information space is provided: similar documents
lie near each other on the map. The order helps in finding related documents
once any interesting document is found.
The hyperspace system allows a user to create
a realtime visualisation of the structure of a set of web pages whilst
browsing through them.
A Graphical Hypertext Navigation Tool.
Girardin, The Graduate Institute
of International Studies