Sap Se

Maximilian Stefanac

Raghavendra Rao M G

Methods and apparatus are disclosed for representing a dynamic hierarchical system as a composite graph data structure. Members of a system are represented as primary nodes of a tree. Multiple system states have respective trees, which can be overlaid to obtain a composite graph. The composite graph can be augmented with secondary nodes for member attributes, and further nodes for state-dependent values of the attributes. Methods of processing bottom-up, top-down, and filtered queries are disclosed. Applications to military, manufacturing, and communication networks are provided.

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Karlsruhe, Germany

Maximilian Stefanac