Patent Document ID: 20040054508
Application ID: 10452528
Patent Flag: 0

Claim One:
1. A method for modeling a real world system, comprising: creating a network model that includes a plurality of objects that represent assets in the real world system at real world times, the network model being displayable by a geographic information system; entering a first object in the network model, wherein the first object is associated with a first creation date and a first expiration date at first and second real world times, respectively; entering a second object in the network model, wherein the second object is associated with a second creation date and a second expiration date at third and fourth real world times, respectively; setting a system clock in the network model to a fifth real world time that is between the first and third real world times; and displaying the first object and any additional objects in the network model that represent assets present in the real world system and the fifth real world time.