Oriented towards the realization of such a tool, this article discusses semantic nets as a way to model the troubleshooting's knowledge. Era 4 tools are expert systems whose foundation and work flow are based primarily on a valid troubleshooting process. Semantic Nets Semantic nets, also called mind maps by some authors, are graphs used to represent concepts and their relationships. The term mind maps , assumes that this model is quite similar to how we represent things in our minds. Concepts are the nodes of the net, graphically represented as labeled boxes.
Relationships are links between the boxes, represented as labeled arrows.
These concepts by themselves don't give so much information. Their Wings are made of Feathers. Birds eat Worms. Birds build their nests in the Trees. All these sentences express a relationship between concepts.