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Schema Evolution
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- Schema Evolution (1)
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... model is proposed for dynamic schema evolution (DSE) in objectbase systems (OBSs) that supports the fundamental concepts of ...
Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... the algorithm is such that the SVD computation step has in practice good performance, which makes it feasible to perform clustering ...
Publication - salva - 04/17/2013 - 06:27 - 0 comments - 0 attachments
... of interest arises when S is the class of all instances, in which case an S-inverse is a global inverse. We focus on the important ... we show how to construct an S-inverse when one exists. In particular, we show how to construct a global inverse when one exists. ...
Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment
... is based on a classification of the constructs used in the known data model into a limited set of types Then on the basis of ... deriving \"good\" translations between schemes and more in general between models Finally we define the architecture and the ...
Publication - huliganka - 04/16/2013 - 15:49 - 0 comments - 1 attachment
... problem. We present a novel approach to this problem, in which the relationship between the application data and the persistent ... is used to answer queries, while viewing the database in terms of the application model allows us to leverage view maintenance ... for update translation. This approach has been implemented in a commercial product. It enables developers to interact with a relational ...
Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 1 attachment
... form of the constrained distance previously reported in [27]. When applied to ordered trees, the degree-2 distance is a ... and insertions occur at leaves i.e., with degree 1.) In this extended abstract, we present algorithms for computing the degree-2 ...
Publication - huliganka - 04/16/2013 - 06:16 - 0 comments - 0 attachments