1. A system comprising memory including a computer code product for training computing devices for classification or identification purposes for one or more substances capable of producing olfactory information, the memory comprising: a code directed to providing at least a first data related to one or more substances from a first node and a second data related to one or more substances from a second node to a computing device, the data being comprised of a plurality of characteristics to identify the substance, wherein the first node or the second node is connected over a computer network; a code directed to normalizing at least one of the characteristics for each of the first data and the second data; a code directed to correcting at least one of the characteristics for each of the first data and the second data; a code directed to processing one or more of the plurality of characteristics for each of the first data and the second data in the computing device using pattern recognition to form descriptors to identify the one or more substances; and a code directed to storing the set of descriptors into a memory device coupled to the computing device, the set of descriptions being for analysis purposes of the one or more substances and performing a combined analysis based on the first data and the second data.