1. A workflow processing apparatus connected to a network, the workflow processing apparatus comprising: a monitoring unit configured to periodically monitor at least one storage area to determine if data is newly stored in the at least one storage area; an obtaining unit configured to obtain the data stored in the at least one storage area upon receiving a notification from the monitoring unit indicating that the data is newly stored; an analyzing unit configured to extract bibliographic data from the obtained data, the bibliographical data including at least delivery-source identifying information for identifying a delivery source; a workflow selecting unit configured to, determine an operation to be performed according to the bibliographic data, and select a workflow for performing the determined operation from preset multiple workflows; and a workflow processing unit configured to process the obtained data according to the selected workflow.