Patent ID: 7080087
Filing Date: 2006-07-18
Classification: G06F,Y10S

Abstract:
1. An automatic aggregation method for automatically aggregating a plurality of records using a computer, the plurality of records each including a plurality of items including a key parameter and a numerical value which is at least related to the key parameter, the method comprising the steps of: (a) inputting one of the plurality of records to the computer; (b) adding at least one node, representing contents of the input record, to a position, corresponding to the key parameter included in the input record, of a hierarchical tree; (c) updating a value of the at least one node added to the hierarchical tree and a value of a node on a level higher than that of the at least one node, in accordance with the numerical value included in the input record; and (d) repeating steps (a) through (c) until all the plurality of records are processed, thereby outputting an aggregation result for each of items of the key parameter, wherein step (b) comprises a step of determining whether a node corresponding to the key parameter already exists in the hierarchical tree, wherein: