A sua pesquisa - information preservation system decisions ((data hard) or (data where)) - não corresponde a nenhum registo.

Talvez deva tentar algumas variações de ortografia:
information preservation » information presentation, information representation, information generation
preservation system » preservation systems, reservation system, preservations systems
system decisions » systems decisions, system decision, systems decision
data where » data while, data when
data hard » data hand, data shared, data guard

Pode obter mais resultados ajustando a pesquisa.