
In discourse-based grammatical theory, information flow is any tracking of referential information by speakers. Information may be new, just introduced into the conversation; given, already active in the speakers` consciousness; or old, no longer active. The various types of activation, and how these are defined, are model-dependent. Information ....
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http://en.wikipedia.org/wiki/Information_flow
[information theory] == Introduction == Securing the data manipulated by computing systems has been a challenge in the past years. Several methods to limit the information disclosure exist today, such as access control lists, firewalls, and cryptography. However, although these methods do impose limits on the information that is released by...
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http://en.wikipedia.org/wiki/Information_flow_(information_theory)

Where a component influences another component without the physical transfer of material.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.