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Wrapper-based evolution of legacy information systems

... severe heterogeneity problems. For instance, incorporating a new program in a legacy database application can create an integrity mismatch, since the ...

Publication - huliganka - 04/17/2013 - 12:05 - 0 comments - 1 attachment

Database application evolution: a transformational approach

... to database schemas, to data and to programs through a general strategy. This strategy requires the documentation of database ... techniques. Our approach, called DB-MAIN, relies on a generic database model and on transformational paradigm that states that ... can be modeled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally ...

Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment