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Schema Evolution for XML: A Consistency-preserving Approach

... paper deals with updates of XML documents that satisfy a given schema, e.g., a DTD. In this context, when a given update violates the schema, it might be ...

Publication - cat - 04/17/2013 - 07:27 - 0 comments - 0 attachments

Composing Schema Mappings: Second-Order Dependencies to the Rescue

... 486.39 KB A schema mapping is a specification that describes how data structured under one schema (the ... schema) is to be transformed into data structured under a different schema (the target schema). A fundamental problem is composing ...

Publication - cat - 04/16/2013 - 19:16 - 0 comments - 1 attachment

Generic Model Management: Concepts and Algorithms

... needed to develop such applications by providing a database infrastructure in which a set of high-level algebraic operators, such as Match, Merge, and Compose, ...

Publication - cat - 04/16/2013 - 18:38 - 0 comments - 1 attachment

Co-transformations in Information System Reengineering

... Cleve, A.; Henrard, J.; Hainaut, J.-L. ... Cleve, A Henrard, J ... Database reengineering consists of deriving a new database from a legacy database and adapting the software components ...

Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 0 attachments

Defining the XML Schema Matching Problem for a Personal Schema Based Query Answering System

... combined schema and data information. Tag nesting enabled a simple representation of hierarchical relations. Such enrichments sparked off a new wave of research on how to improve querying and searching of data ...

Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments

Multitemporal Conditional Schema Evolution

... multidimensional conditionally evolving schema(MD-CES) is a conceptual model for conditional schema changes, which modify the schema of ...

Publication - cat - 04/16/2013 - 04:16 - 0 comments - 1 attachment