1000 search results - page 85 / 200 » Provenance for Aggregate Queries |
BNCOD
1997
13 years 11 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
DMSN
2006
ACM
14 years 4 months ago
2006
ACM
In this paper, we study the problem of processing multiple queries in a wireless sensor network. We focus on multiquery optimization at the base station level to minimize the numb...
CIKM
2010
Springer
13 years 8 months ago
2010
Springer
In advertising and content relevancy prediction it is important to understand whether, over time, information that reaches one demographic group spreads to others. In this paper w...
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
Online monitoring of data streams poses a challenge in many data-centric applications, such as telecommunications networks, traffic management, trend-related analysis, webclick st...
VLDB
2011
ACM
13 years 5 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...