1 are therefore nouns in the english language the verb noun expressions u03c4 2 are expressions which are composed of a verb and at least one noun a plain text u03c4 3 comprises any desired combination of words letters and numbers a number u03c4 4 is either an integer or a real number an interval u03c4 5 is a field arrangement of the v 1 v 2 type where v 1 and v 2 are the boundaries of the interval in the form of integers or real numbers a date interval u03c4 6 is a field arrangement which has two dates d m y which in each case represent the date boundary of the field arrangement a time u03c4 7 is a field arrangement with the details y d h m s m s where y is the year d the day h the hours m the minutes s the seconds and m s hundredths of seconds a name u03c4 8 is any desired suitable name for a person fig4 shows the sequence of the method schematically for the profile structure shown in fig3 the method starts with step s 1 in step s 2 the subscriber data fields are compared by a name comparison function if two names match that is to say two fields arrangements composed of a first name and a surname match then the name comparison function which calculates an interval as the provisional comparison value results in the interval 0 if the names to be compared do not match then the.