2063 search results - page 58 / 413 » Containment of Aggregate Queries |
DEBU
2006
13 years 10 months ago
2006
The Web contains a vast amount of text that can only be queried using simple keywords-in, documentsout search queries. But Web text often contains structured elements, such as hot...
ESORICS
1994
Springer
14 years 1 months ago
1994
Springer
It has been observed that often the release of a limited part of an information resource poses no security risks, but the relase of a sufficiently large part of that resource might...
VTC
2007
IEEE
14 years 4 months ago
2007
IEEE
— Data collected in a sensor network is transported hop-by-hop to a sink for further analysis. The quality of the analysis depends on the amount of data reaching the sink. Hence,...
DOLAP
1999
ACM
14 years 2 months ago
1999
ACM
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...