A data processing apparatus includes a setting part for setting a combination including location data indicating the location of a data source located in a target data item and a designated process corresponding to the location data, an acquiring part for acquiring the target data item and a data processing part for obtaining data from the data source located at the location indicated by the location data by referring to the combination set by the setting part and performing the designated process corresponding to the location data on the target data item in accordance with the combination by using the data obtained from the data source.