371 search results - page 1 / 75 » Schema Design for Uncertain Databases |
AMW
2009
13 years 2 months ago
2009
We address schema design in uncertain databases. Since uncertain data is relational in nature, decomposition becomes a key issue in design. Decomposition relies on dependency theo...
SIGMOD
2008
ACM
13 years 4 months ago
2008
ACM
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
ER
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Schema integration is the activity of providing a unified representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Recent interest in managing uncertainty in data
BTW
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. Most available approaches for XML schema evolution specify the evolution steps for an XML schema or a DTD. This article will show that schema evolution can also be realiz...