The words separation in old Cyrillic texts with fuzzy search method

The article describes a solution to the problem of word separation in old Cyrillic texts after the stage of graphic character recognition on scanned documents. The article proposes an algorithm for fuzzy text search using the grammatical dictionary of the Old Russian language, with the completeness and accuracy of search results evaluate. To assess the relevance and ranking of the search results, a method for calculating the rank of the symbol recognition variant based on the TF-IDF metric is developed. The article also presents a software system of automated word search, presents the results of experiments that prove the effectiveness of the developed algorithms and programs.