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Schema Evolution
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... “model” is today considered as a promising technology in domains such as data and software engineering. In the field of model engineering, models are now viewed as firts-class ...
Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment
... 676.21 KB In this article, we develop a relational algebra for metadata integration, ... where the number of relations and/or the number of columns in relations of the output varies dynamically with the input instance. Among ... generalized dynamic output schemas, where the values in any (fixed) number of input columns can determine output schemas.Further ...
Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment
... 10 - 49 The first step in finding an efficient way to solve any difficult problem is making a ... solved by these systems do not exist, or are partial. In this paper, we analyze the problem of seman- tic schema matching, identify ...
Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments
... administrators are called on to write complex mappings in which they specify in tedious detail how the data is to be transformed. Even once deployed, ...
Publication - cat - 04/16/2013 - 02:38 - 0 comments - 0 attachments