23. A semantic network machine, comprising: a plurality of nodes in a computer-implemented network structure; a link that links a first one that is a semantic Janus unit of the plurality of nodes to a second one of the plurality of nodes, wherein the second one of the plurality of nodes contains informational contents, and wherein the informational contents includes pixels of a digital image; and means for recognizing a pattern in the digital image by performing an operation only on a subset of the plurality of nodes based on a state of the semantic network machine.
26. The computer-implemented network structure of claim 23 , wherein the operation is performed on the informational contents.