58 search results - page 11 / 12 » Query Decomposition for a Distributed Object-Oriented Mediat... |
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
USS
2010
2010
P4P: Practical Large-Scale Privacy-Preserving Distributed Computation Robust against Malicious Users
13 years 5 months ago
In this paper we introduce a framework for privacypreserving distributed computation that is practical for many real-world applications. The framework is called Peers for Privacy ...
TGC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We propose and discuss foundations for programmable overlay networks and overlay computing systems. Such overlays are built over a large number of distributed computation...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...