Система автоматического индексирования и реферирования текстовых документов

Theoretical preconditions and program realization of computer system of indexing and abstracting of text documents on the basis of knowledge base use about a subject domain in the form of an is situational-syntagmatic network are considered. The approach offered by authors to calculation informative lexemes and the offers, based on comparison of statistical characteristics of word forms in the reviewed text and a full corpus is used in this system. The computer system can be used in scientific and technical libraries for the automated indexing and annotation of scientific and technical articles and books, and also Internet users for familiarity with the content of text documents.