6. A semantic multilayer network comprising: a first layer comprising tag annotations; a second layer comprising data structured by an ontology; a third layer comprising structured data provided by a user; relations between the tag annotations of the first layer and the structured data provided by the user in the third layer; connections between the tag annotations of said first layer and the data of said second layer; and a computer weighting the relations and implementing the first and second layers and the connections, wherein the computer processes or queries data using the semantic multilayer network.
6. A semantic multilayer network comprising: a first layer comprising tag annotations; a second layer comprising data structured by an ontology; a third layer comprising structured data provided by a user; relations between the tag annotations of the first layer and the structured data provided by the user in the third layer; connections between the tag annotations of said first layer and the data of said second layer; and a computer weighting the relations and implementing the first and second layers and the connections, wherein the computer processes or queries data using the semantic multilayer network. 7. The semantic multilayer network according to claim 6 , further comprising relations between said tag annotations of said first layer.