294 search results - page 20 / 59 » Approximate query processing using wavelets |
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
WCE
2007
13 years 8 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
DBVIS
1993
13 years 11 months ago
1993
In this paper, we present ideas how visualization technology can be used to improve the difficult process of querying very large databases. With our VisDB system, we try to provid...
COOPIS
2004
IEEE
13 years 11 months ago
2004
IEEE
Querying and integrating sources of structured data from the Web in most cases requires similarity-based concepts to deal with data level conflicts. This is due to the often errone...