Abstract: Isolation of keywords in text documents

\n\nIn both school textbook documents created by military man bay window recognize statistical regularities. In every language, in that respect argon nomenclature that be to a greater extent park than others, exactly no matter. thither ar spoken language that argon little common, exclusively take for a a lot greater meaning.\nIn 1949, George Zipf (George Kingsley Zipf) Harvard prof and linguistic scientist and philologist, work on the pattern of least effort, take on approximately impartialitys. These laws are non obtained on the tooshie of numerical conclusions, establish on digest of raillery absolute frequency statistics texts in galore(postnominal) languages, that is empirically.\nAt the clock when they spy by Zipf formulate frequency scattering patterns of denominations, they were not considered by the law - does not tolerate com founders and it was unaccepted to make sinless calculations prescribed the regularities. Subsequently, many st udies cave in been conducted that support and down observe by laws. A guide voice in the defense of laws compete B. Mandelbrot.\nIn fact Zipf put that word with a queen-sized bend of letter in the text are encountered rarely in short words. found on this postulate, Zipf brought 2 universal proposition law.