2516 search results - page 10 / 504 » Integrity Constraints for XML |
DIWEB
2004
13 years 9 months ago
2004
Abstract. This paper describes how the AutoMed data integration system is being extended to support the integration of heterogeneous XML documents. So far, the contributions of thi...
PODS
2007
ACM
14 years 8 months ago
2007
ACM
In a recent paper, Martens et al. introduced a specification mechanism for XML tree languages, based on rules of the form r s, where r, s are regular expressions. Sets of such ru...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Design principles for XML schemas that eliminate redundancies and avoid update anomalies have been studied recently. Several normal forms, generalizing those for relational databa...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
ECIR
2009
Springer
13 years 6 months ago
2009
Springer
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...