| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve efficiency in management of planning data and communication, and to reduce a cost. <P>SOLUTION: The information processing device comprises a means for receiving change data including information about a train number to be changed and execution date, information about change of arrival/departure time in an arrival/departure station, and information about new operation date; a means for extracting a record of applicable train number; a means for generating an updated record by reflecting the information about the change of the arrival/departure time, and storing that in a daily diagram data base; a means for determining whether a train number included in the change data is a new train number or not, and generating one new record in regard to the new train number and storing that in the daily diagram data base; a means for connecting the information about the execution date or the information about the new operation date with one corresponding updated record or new record, and storing that in a change date database as date information; a means for extracting the updated record or the new record, and extracting the corresponding date information; and means for outputting the updated record or the new record, and the date information. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
