371 search results - page 16 / 75 » Schema Design for Uncertain Databases |
ER
2007
Springer
15 years 3 months ago
2007
Springer
This paper presents a methodology to derive views over a relational database by applying a sequence of appropriately defined operations to the global schema. Such tailoring and com...
ICDE
2010
IEEE
15 years 1 months ago
2010
IEEE
HECATAEUS is an open-source software tool for enabling impact prediction, what-if analysis, and regulation of relational database schema evolution. We follow a graph theoretic appr...
107
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
104
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OTM
2005
Springer
15 years 5 months ago
2005
Springer
There are many problems requiring a semantic account of a database schema. At its best, such an account consists of mapping formulas between the schema and a formal conceptual mode...
125
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BXML
2003
15 years 1 months ago
2003
We present an approach of how to automatically extract an XML document structure from a conceptual data model that describes the content of the document. We use UML class diagrams ...