3974 search results - page 24 / 795 » Metric Functional Dependencies |
ADC
2005
Springer
15 years 4 months ago
2005
Springer
We study the design issues of data-centric XML documents where (1) there are no mixed contents, i.e., each element may have some subelements and attributes, or it may have a singl...
PVLDB
2010
14 years 9 months ago
2010
The recent literature has provided a solid theoretical foundation for the use of schema mappings in data-exchange applications. Following this formalization, new algorithms have b...
CONSTRAINTS
2008
14 years 10 months ago
2008
We present a novel approach to automatically reformulating constraints defined as tables of allowed assignments to variables. Constraints of this form are common in a variety of se...
CIKM
2004
Springer
15 years 4 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
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ICDE
2008
IEEE
15 years 12 months ago
2008
IEEE
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...