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... This aspect has been acknowledged and long studied in the field of temporal databases but it truly applies also to the World Wide ... a primary issue yet. However, several papers addressing, in an explicit or implicit way, the representation and management of time and ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... database reorganizations due to schema modification in object-oriented systems, since these are expensive operations and they ... show that data independence, which is a neglected concept in object databases, helps to avoid reorganizations in case of capacity ...
Publication - cat - 04/17/2013 - 07:05 - 0 comments - 0 attachments
... We describe examples of problems of semantic heterogeneity in databases due to “domain evolution”, as it occurs in both single- and multidatabase systems. These problems occur when the ...
Publication - cat - 04/17/2013 - 06:27 - 0 comments - 1 attachment