Sciweavers

279 search results - page 16 / 56
» The view update problem for XML
Sort
View
SBBD
2007
179views Database» more  SBBD 2007»
15 years 19 days ago
Assisting XML Schema Evolution that Preserves Validity
Abstract. We consider the problem of XML schema evolution preserving the validity of existing documents related to the original schema. The aim of such schema evolution is to fit ...
Béatrice Bouchou, Denio Duarte
XSYM
2007
Springer
119views Database» more  XSYM 2007»
15 years 5 months ago
SXDGL: Snapshot Based Concurrency Control Protocol for XML Data
Nowadays, concurrency control for XML data is a big research problem. There are a number of researchers working on this problem, but most of the proposed methods are based on the ...
Peter Pleshachkov, Sergei Kuznetcov
SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
15 years 11 months ago
Rewriting nested XML queries using nested views
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
Nicola Onose, Alin Deutsch, Yannis Papakonstantino...
VLDB
2002
ACM
84views Database» more  VLDB 2002»
15 years 11 months ago
Views in a large-scale XML repository
We are interested in de ning and querying views in a huge and highly heterogeneous XML repository Web scale. In this context, view de nitions are very large and there is no appare...
Vincent Aguilera, Sophie Cluet, Tova Milo, Pierang...
VLDB
2007
ACM
152views Database» more  VLDB 2007»
15 years 11 months ago
Structured Materialized Views for XML Queries
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...
Andrei Arion, Ioana Manolescu, Véronique Be...