1. A method for establishing a semantic multilayer network, said method comprising: establishing a first layer in said semantic multilayer network, said first layer comprising tag annotations; establishing a second layer in said semantic multilayer network, said second layer comprising data structured by an ontology; establishing a third layer in said semantic multilayer network, said third layer comprising structured data provided by a user; determining relations between the tag annotations of the first layer and the structured data provided by the user in the third layer and weighting the relations; connecting said first layer and said second layer; and processing or querying data, executed by a processor, using the semantic multilayer network.
2. The method according to claim 1 , further comprising determining relations between said tag annotations of said first layer.