Patent ID: 7526520

Claim:
A data processing system in a client and server system, the server providing the client with an instruction data set in a specified instruction format in response to a content data request from the client, the system comprising: a server computer system comprising: a memory including a server program that provides one or more content data request properties of the content data request made by the client, that prepares the instruction data set having the specified instruction format and including a plurality of instruction element data sets each representing a specified instruction element of the instruction format and generated by at least one instruction element generating application in an instruction format set up sequence, that includes an instruction format configuration file containing a tree data structure including a plurality of instruction format nodes, each of the instruction format nodes indicating a particular combination of instruction elements having the specified instruction format and having associated with it a node selection criterion, that searches said tree data structure with said determined content data request properties and selects an instruction format node whose associated node selection condition matches said determined content data request properties, and that prepares the instruction data set to be sent to the client by executing the instruction element generating application of the selected instruction format node and inserting content data in places indicated by the instruction element generating application of the selected instruction format node; and a processor that runs said server program.