176 search results - page 8 / 36 » Answering aggregate queries in data exchange |
WWW
2007
ACM
14 years 10 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
WAIM
2009
Springer
14 years 4 months ago
2009
Springer
Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggrega...
EDBT
2012
ACM
12 years 6 days ago
2012
ACM
Record linkage analysis, which matches records referring to the same real world entities from different data sets, is an important task in data integration. Uncertainty often exi...
SIGMOD
2010
ACM
14 years 2 months ago
2010
ACM
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
ICDT
2009
ACM
14 years 10 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...