. . "Documentation, information science and librarianship." . . . . . . . "Abstract: \"This technical note describes straightforward techniques for document indexing and retrieval that have been solidly established through extensive testing and are easy to apply. They are useful for many different types of text material, are viable for very large files, and have the advantage that they do not require special skills or training for searching, but are easy for end users.\""@en . . . . . "Simple, proven approaches to text retrieval" . "Simple, proven approaches to text retrieval"@en . . . .