101 search results - page 5 / 21 » Query optimization techniques for partitioned tables |
ICWS
2009
IEEE
14 years 3 months ago
2009
IEEE
—The vision of the Semantic Web has brought about new challenges at the intersection of web research and data management. One fundamental research issue at this intersection is t...
SIGMOD
2005
ACM
14 years 6 months ago
2005
ACM
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
Database outsourcing is an emerging data management paradigm which has the potential to transform the IT operations of corporations. In this paper we address privacy threats in da...
VLDB
2007
ACM
14 years 6 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
EDBT
2006
ACM
14 years 6 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...