805 search results - page 70 / 161 » On the Role of Integrity Constraints in Data Integration |
172
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Two central criteria for data quality are consistency and accuracy. Inconsistencies and errors in a database often emerge as violations of integrity constraints. Given a dirty dat...
EDBTW
2006
Springer
14 years 11 months ago
2006
Springer
Abstract. Executable schema mappings between XML schemas are essential to support numerous data management tasks such as data exchange, data integration and schema evolution. The n...
SPIN
2005
Springer
15 years 3 months ago
2005
Springer
We present a novel algorithm for repairing structurally complex data. Given an assertion that represents desired structural integrity constraints and a structure that violates them...
102
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ICDT
2012
ACM
13 years 5 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
CSE
2009
IEEE
15 years 2 months ago
2009
IEEE
—In this paper we propose a clustering and routing scheme for wireless sensor networks based on a self-organizing approach. The aim of this approach is for nodes to perform an in...