Informatics' medium models of information technology: Theoretical foundations for their creating

The variants of the information technology-oriented (ITO) model are considered which are used in the design of information technologies (IT) for discovering linguistic and medical knowledge from texts within the framework of two projects under the grants from the Russian Foundation for Basic Research (RFBR) and the Natural Science Foundation of China (NSFC). The variants of the ITO model were created within the paradigm of dividing the subject domain of informatics into media of different nature. The aim of the paper is to describe the initial data and the theoretical foundations for the generalization of the ITO model. These foundations are planned to be used to create a generalized model of IT, its types, and particular cases as constituents of the new class of models that are proposed to be called the informatics' medium ones. The principal idea of generalization is to distribute the stages of the IT being designed, their inputs, and outputs according to media of the subject domain of informatics and the boundaries between them in the interests of IT modeling. The boundaries locate entities of multiple nature (semiotic signs on the boundary between the mental and information media, Unicode coding tables on the boundary between the information and digital media, etc.). Such IT is proposed to be called the multimedium one. Medium models are focused, first of all, on solving the topical problem of creating unified tables for coding meanings (= senses) of ambiguous words in semantic web knowledge bases when processing large volumes of texts (by analogy with Unicode tables for encoding letters and symbols).