Patent ID: 7587274

Claim:
A system for enabling the monitoring and navigation of a facility including a plurality of identifiable spaces each associated with one of a plurality of exits, the spaces and exits being linked by a network of pathways, or for determining the position and travel history of tracked resources residing in one of the spaces or moving along the pathways, comprising: (a) a map database operable to store digital map data relating to the facility; (b) a position determination system operable to receive sensor information from at least one sensor, the sensor information identifying the various resources, spaces, and associated exits, the position determination system further operable to develop relational data identifying a relative position of each said resource, space, and exit within said facility, based on the sensor information and the map data; and (c) a location database operable to store said relational data in tables including space-identifying data, tracked-resource data, and exit-identifying data.