METHOD AND APPARATUS FOR STORING AND RESTORING DATABASE OF CONSTRUCTED DOCUMENTS FOR DOCUMENT MANAGEMENT SYSTEM

摘要

PURPOSE: A method and apparatus for storing and restoring database of constructed documents for document management system is provided so that common editing and management can be performed by storing the large constructed document such as SGML/XML to a database. CONSTITUTION: A method and apparatus for storing and restoring database of constructed documents for document management system includes a packer for packing DTD and external entity files included within a document. An unpacker (210) is unpacked DTD and external entity files included within a document. A parser (240) for parsing constructed document and DTD detects errors the parsed document. A DTD storage device (260) stores a notation, elements declaration information. An instant storage device (250) stores a tree constructed as an element unit to a database. An object manager (270) restores the stored object as an original document.