MEASURE OF INFORMATION POWER OF THE THESAURUS AND ITS APPLICATION
Rubrics: ARTICLES
Abstract and keywords
Abstract (English):
An approach to the quantitative assessment of the thesaurus of information systems is proposed. As a quantitative measure of the characteristics recommended to use in-formational power thesaurus, which determined by entropy and its moments, entropy distribution function. By thesaurus understood as a set of possible actions or ergatic technical system to achieve a certain goal. Thesaurus structure includes several levels. The fi rst level, called syntax, the sequence may submit multiple semantic levels. Members of the syntactic levels compared with the “nouns”, and members of the semantic level – with “adjectives”. A quantitative measure of estimating a thesaurus is a random variable – its information capacity. It can be evaluated moments entropy. On basis of moments can be constructed and the power function of the distribution of the thesaurus. Simple examples of applied informational character presented.

Keywords:
information, thesaurus power, thesaurus measure, thesaurus levels, syntax, semantics
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