176 search results - page 34 / 36 » Answering aggregate queries in data exchange |
MM
2010
ACM
13 years 7 months ago
2010
ACM
Huge amounts of social multimedia is being created daily by a combination of globally distributed disparate sensors, including human-sensors (e.g. tweets) and video cameras. Taken...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
The Aurora system [1] is an experimental data stream management system with a fully functional prototype. It includes both a graphical development environment, and a runtime syste...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
ICDT
2012
ACM
11 years 9 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
HT
2007
ACM
13 years 11 months ago
2007
ACM
The design and maintenance of an aero-engine generates a significant amount of documentation. When designing new engines, engineers must obtain knowledge gained from maintenance o...