To provide an update data output device or the like which reduces the time and charges for updating and improves convenience in updating by reducing the amount of difference data to be used for updating data.
The update data output device 100 for outputting update data UD to be used for updating data stored in a storage means 13 of a data processing device 200 that uses data for processing includes: a regularity data generating means 1 generating, based on old data OM and new data NM, regularity data R indicating the regularity in the update from the old data OM to the new data NM; a modifying section 2 modifying the old data OM according to the regularity indicated by the regularity data R to generate modified old data MOM; a difference data generating means 3 generating difference data DF corresponding to the difference between the new data NM and the modified old data MOM; and an output means 4 outputting the difference data DF and the regularity data R as updating data UD.
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MATSUMOTO REIJI
ADACHI SHINYA
INKURIMENTO P KK
MBA:KK
Yasuo Ishikawa
Takahiro Imai
Kazuyuki Oku