| 摘要 |
PROBLEM TO BE SOLVED: To flexibly enable the retrieval and totalization of data using geographic information by exceeding the range of data included in one database.SOLUTION: A data processing system includes: an area designation part 3 for designating a desired area on a map while visualizing data stored in a first database 11 including geographic information on the map; a related item designation part 4 for designating association between an arbitrary data item included in the first database 11 and an arbitrary data item included in a second database 12; and a data retrieval part 5 for extracting data of a data item designated as a related source item in a data set associated with geographic information related to the designated area from the first database 11, retrieving the second database 12 with a data item designated as a related source item as an object with the extracted data as a retrieval key, and extracting a data set matching the retrieval key.SELECTED DRAWING: Figure 1 |
