176 search results - page 16 / 36 » Answering aggregate queries in data exchange |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
SCCC
2005
IEEE
14 years 3 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
IPSN
2007
Springer
14 years 4 months ago
2007
Springer
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...
PODS
2009
ACM
14 years 10 months ago
2009
ACM
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
PET
2009
Springer
14 years 4 months ago
2009
Springer
: © Privacy-Preserving Computation and Verification of Aggregate Queries on Outsourced Databases Brian Thompson, Stuart Haber, William G. Horne, Tomas Sander, Danfeng Yao HP Labor...