The article attempts a comprehensive analysis of the concept and phenomenon of the common digital space of scientific knowledge (CDSSK) as a narrower wording of the concept of the common Russian electronic space of knowledge, which is proposed in a number of government documents. Definitions of basic concepts are proposed in relation to this phenomenon. Goals, objectives, composition, and structure are considered to be the boundaries and the principles of creating CDSSK. A brief overview of the existing scientific information resources and services that have the features of the elements of space of scientific knowledge follows. It is concluded that the existing information resources can be sources of CDSSK but not its components. The paper proposes a structure for CDSSK, including static and dynamic components (base and add-in), various levels of knowledge representation, and core and periphery. This should include formalized knowledge over which a set of operations and the periphery – the sources of this knowledge (including documents) – are selected on the basis of quality. The logical structure of CDSSK must submit its ontology, formed as it ought to be on the basis of information languages and metadata of existing scientific information resources. A number of steps are proposed to organize the work of creating CDSSK, as well as its content and support.

The article describes an object-oriented WEB-system designed for storing and providing various reference and statistical data on the scientific works of employees of an institution (group of institutions), developed by specialists of the Joint Supercomputer center of Russian Academy of Sciences (JSCC RAS). The system contains information about publications of employees and reports made by them at scientific conferences, symposiums, and seminars. The system is focused on working with objects belonged to classes connected between each other, such as "author", "organization", "publication", "report", "event". The metadata profile of objects of each class includes attributes that are necessary to get detailed information about both an individual object of this class and a group of objects associated with the specified attribute values of objects of other classes. For example, you can get a list of articles by employees of a given organization published articles in a given journal for a given period of time. A distinctive feature of the system is the introduced concept of "equivalent" objects. Such objects are "persons" corresponding to the same author with different spellings of the last name in the bibliographic descriptions of publications; organizations with different versions of names; articles which are published without changes in different languages. This article describes in detail the features of the system, its user interface, and provides examples of performing specific queries.

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