Pfadfindung in einer Datenbank durch schrittweise Kombination von Merkmalen

A method is presented which seeks an input string in a data base step by step. For this purpose, not the whole phrase is taken but only essential words of it. For processing the steps the system has rules that must be obeyed so that the next step can be found. This kind of search not only tells us, whether or not the input string exists; the user also receives information about each step which determines a path.