US Patent 7457812 System and method for managing structured document

A structured document management system manages a structured document database. This system includes a parse processing unit which parsing a structured document to be stored in accordance with a structured document storage request made by a client, a structured document storing unit which stores parsed data obtained by parsing the structured document in the structured document database, a structured document acquiring unit which acquires parsed data corresponding to data of a structured document, which meets to a structured document acquisition request made by the client, from the structured document database, and a request processing unit which returns the parsed data acquired by the structured document acquiring unit to the client.