>I have always wanted to write a data mining program that would show >relationships between different data. I saw something like that done >to analyze communication contacts in a FBI investigation -- it was a >large circle of data (people) with lines connecting each related >piece of data. The end result demonstrated who was in charge -- who >was the kingpin -- interesting. > >tedd That's old hat. What's the similarity between cholera and the internet. The nodal points. Knock out enough nodal points and they both go down. Peter