CHART PROCESSOR, STORAGE MEDIUM AND CHART PROCESSING METHOD

摘要

PROBLEM TO BE SOLVED: To more easily recognize subordination between entities indicated in an ER chart and to change it by simple work. SOLUTION: A processor 1 extracts the names of the entities indicated in the ER chart and judges the subordinate states of the respective entities. Then, the processor 1 prepares a subordination matrix for which the names of the entities are respectively a column index and a row index and the subordination between the respective entities is indicated in the column of the intersection of the pertinent column index and row index. The processor 1 receives the change specification of the subordination indicated in the subordination matrix and updates the subordination matrix corresponding to the specification. Further, the processor 1 updates the ER chart so as to match with the updated subordination matrix.