Bagautdinov

The possibility of search request processing with bringing in the additional knowledge of open encyclopedia Wikipedia was considered. New algorithm for request enhancement, using semantic data from the specified source, was developed. System allowing to search through the collection of documents using advanced request, was designed and developed. The efficiency of the search in the developed system was estimated for ordinary search along with two variants of developed algorithm of search enhancement: using HITS algorithm and using Dice’s coefficient to obtain the key concepts.