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The conference tree
Tree ? inheritance
Each level can be addressed via a URL
Each layer links to parents and children
Lowest layer information wins
Parent can designate variables that cannot be overridden (“forced global”)
Easily supports
(corporate) policies
recurring events with exceptions
modifying the active conference only
Probably also supports
side bars and other multi-policy configurations
permanent text chat rooms
Each node can reference scheduling information
but may not
all Acme Widget conferences
weekly eng. mtg.
instance 1
PPT Version