Before revision: Automatic vs. manual subject analysis Automatic indexing follows set processes of analyzing frequencies of word patterns and comparing results to other documents in order to assign to subject categories.
After revision: subject based hierarchal indexing on web accepts three fields of data columnsid Title category body of article1 mouse input mouse is an input device2 input device computer conmputer has input out put and storage, processing devices3 computer electronics computer is an electronic deviceexample of an electronic subject hierarchical indexing is used in this web URLdownload link for this application (php mysql is here URLAutomatic vs. manual subject analysis Automatic indexing follows set processes of analyzing frequencies of word patterns and comparing results to other documents in order to assign to subject categories.