This is a page that gives a simple demonstration showing papers which have been deemed related through textual analysis by IAI Saarbrucken. Up to the top 20 are listed for each paper, when they meet a simple thresholding:

1 – very strong – 0.9 – strongly – 0.7 – related – 0.6 – ignored – 0

The 1980 paper A Calculus for Testing Complex Digital Systems [browse]

is very strongly related to

is strongly related to

is related to