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Sida:Ann-1983 JBC25001-00 James Allen - Maintaining knowledge about temporal intervals.pdf/43

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у

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(2-F3BK

P = Probability that there is no link from X to y N = Number of Units in a "Layer" B = Number of Randomly Outgoing Branches/Unit & VN F = B/N (Branching Factor) K = Number of Intermediate Levels (2 in diagram above)

for B = 1000; different numbers of levels and units

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N=

K=

106

107

108

0

.999

.9999

.99999

1

.367

.905

.989

2

10-440

10-44

10-5

Figure 14: Making a connection.