103 search results - page 20 / 21 » Views and queries: determinacy and rewriting |
SEBD
2008
13 years 6 months ago
2008
d Abstract) Daniele Braga1 , Diego Calvanese2 , Alessandro Campi1 , Stefano Ceri1 , Florian Daniel1 , Davide Martinenghi1 , Paolo Merialdo3 , Riccardo Torlone3 1 Dip. di Elettronic...
IDEAS
2005
IEEE
13 years 11 months ago
2005
IEEE
The XML data is order-sensitive. The order problem, that is how ordered XML documents and order-sensitive queries over it can be efficiently supported when mapped into the unorde...
PVLDB
2008
13 years 4 months ago
2008
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
SEMWEB
2010
Springer
13 years 3 months ago
2010
Springer
Given the large number of Semantic Web Services that can be created from online sources by using existing annotation tools, expressive formalisms and efficient and scalable approac...