摘要:
A data search apparatus (200) for searching a general data list for desired spot data indicating a desired spot, the general data list comprising: original data (211) including a plurality of original spot data each indicating a spot on a map; and difference data (212) including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising: a first acquirement device (201) for acquiring at least one of the plurality of original spot data; a second acquirement device (202) for acquiring the update spot data from the difference data; and a data output device (203) for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data including the desired spot data.