792 search results - page 16 / 159 » Computing Iceberg Queries Efficiently |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
This demonstration program presents the V*-kNN algorithm, an efficient algorithm to process moving k nearest neighbor queries (MkNN). The V*-kNN algorithm is based on a safe-region...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Modern enterprise applications are forced to deal with unreliable, inconsistent and imprecise information. Probabilistic databases can model such data naturally, but SQL query eva...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
Uncertain data are inherent in many applications such as environmental surveillance and quantitative economics research. As an important problem in many applications, KNN query has...
COOPIS
2002
IEEE
14 years 1 months ago
2002
IEEE
: This work investigates the integration of heterogeneous resources, such as data and programs, in a fully distributed peer-to-peer mediation architecture. The challenge in making ...
ADHOCNOW
2008
Springer
13 years 10 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...