Patent ID: 7809750

Claim:
A data management apparatus connected to a data storage apparatus via a network, comprising: a graphical user interface configured to receive a user command comprising a request for said data storage apparatus to transmit a list of documents stored therein and one or more conditions for the list of documents; means for converting the user command received by the graphical user interface to a command of structured document format for said data storage apparatus, the command of said structured document format being understandable by said data storage apparatus; means for transmitting the generated command to said data storage apparatus; means for receiving response data of said structured document format transmitted by said data storage apparatus in response to reception of the transmitted command; and means for interpreting the received response data into a format understandable by a particular application program installed in the data management apparatus, wherein said command comprises a request for said data storage apparatus to determine whether authorization information is required to process a document stored in said data storage apparatus, said command comprises a request for said data storage apparatus to determine whether input authorization information matches authorization information of a document stored in said data storage apparatus, when the command has not been successfully processed, the response data includes error information indicating a type of error occurred, and the means for interpreting the received response data converts the error information into a format understandable by the particular application program installed in the data management apparatus, and wherein said means for transmitting the generated command transmits the generated command as a SOAP message; and said means for receiving response data receives said response data as a SOAP message.