Thematic Thesauruses in Agent Technologies for Scientific and Technical Information Search

Diffusion process of professionally relevant information in the Internet thus increasing of access time in the dialogue mode lead to the necessity to solve problem of real-time pertinent information delivery. The article presents the solution to the problem of choosing the most important concepts for selecting texts that are relevant to the thematic direction from the general flow of the texts delivered to the system by web crawler. To solve this problem, the author introduced the concept of “generality index” of the thematic thesaurus' term. It is proposed to measure the terms value as keywords for agent search prescriptions.