2536 search results - page 367 / 508 » Constructing Optimal Highways |
SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
PODS
2003
ACM
15 years 12 months ago
2003
ACM
In this paper we consider general path constraints for semistructured databases. Our general constraints do not suffer from the limitations of the path constraints previously stud...
PODS
2005
ACM
15 years 12 months ago
2005
ACM
We present a divide-and-merge methodology for clustering a set of objects that combines a top-down "divide" phase with a bottom-up "merge" phase. In contrast, ...
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EDBT
2006
ACM
15 years 12 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...