The goal of Long-term preservation (LTP) is to make the sustainability of archives lasting for a foreseeable enough time. The efforts are primarily hampered by challenges such as missing of standards, formal methodology and workflow model during archiving. This research is aiming to explore the LTP of various kinds of documents independently from the evolution of time and changes in techniques within digital environments. Basic requirements come from integration of storage management and information management, securing preservation of data, metadata, indexes, etc. This paper presents the evolutionary development of the LTP process for Governmental Archive Management and Knowledge Management. Effective search to resources and efficient storage/access on data, recovery drawing on co-location back-up, dynamic regulation on authentication and security management are tasks followed. Then, a pilot Semantic Data Grid and service matching mechanisms are described, where the ontologism plays a crucial role.
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