Patent ID: 6553382
Filing Date: 2003-04-22
Classification: G06F,Y10S

Abstract:
A data management method of managing data comprising the steps of:forming first and second groups of keywords, each group containing one or more keywords hierarchized in accordance with classes of objects to be managed such that the keywords in each group are arranged as a top keyword and other keywords below in a hierarchy, wherein each keyword above another keyword is a parent keyword for any keyword therebelow, wherein each keyword immediately above another keyword is an immediate parent keyword for any keyword immediately therebelow, and wherein each keyword has a respective keyword name associated therewith; designating a merge of the first and second groups; when either one of the first and second groups is designated, assigning a plurality of the keywords in a designated group to data and storing the data; extracting, from the first and second groups, a keyword having a same keyword name and having all its ascendant parents having same keyword names respectively; performing a logical OR operation, based on respective keyword names, between a respective sets of keywords in the first and second groups having the extracted keywords as a same immediate parent; and forming a third keyword group hierarchically rearranged in accordance with classes of objects on a basis of the logical OR operation, as a new keyword group different from the first and second groups, containing the keywords of the first and second groups, by repeating the extracting and logical OR operation steps in each of the hierarchical levels.