PageRank Damping Factor in a Closed Network
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As I understand it, the damping factor in the usual PageRank algorithm is the probability that a surfer following a chain of web-page links will eventually get bored, and skip off to some other part of the internet.

Is it then reasonable, when working on a closed network where the "surfer" doesn't actually have the opportunity to traipse off to another page (say, a closed intranet, or a network of pages where the surfer is actually dedicatedly following links), to set the damping factor to 1.0, rather than the typical 0.85?