The paper is aimed at conducting comprehensive research on methods and tools for searching and explicating contexts of arrays of scientific information, visualizing hierarchical and associative relations between terms considering the context. It presents the findings indicated that the both, a terminological landscape and a meta-description construction, are necessary and useful for most of the interdisciplinary research, for further contextual knowledge explication but also forecast of the societal impact of studies. Research has focused on the ontological approach to the structured description of contextual knowledge and the scientific interdisciplinary domain thesaurus. There is proposed an ontological approach to the structured description of contextual knowledge, structure, and meta-description of the thesaurus of individual interdisciplinary are-as as part of the study on the development of an integrated approach to the analysis of the terminological base of developing interdisciplinary research. The structure of the thesaurus and meta-description of its elements are proposed to be formed on the basis of the Dublin Core Metadata elements (Dublin Core Metadata Element Set). It allows using the thesaurus for automated search and identification of contextual knowledge by search engines. In the applied aspect the paper considers the method of creation of open-access electronic archives for the purpose of further replenishment, systematization, and study of contextual knowledge. Description of contextual knowledge based on Dublin Core enables to automate the exchange of meta-descriptions by using the standard OAI-PMH protocol.