423 search results - page 17 / 85 » Evaluating TOP-K Queries over Business Processes |
ICDE
2005
IEEE
14 years 3 months ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
CCGRID
2006
IEEE
14 years 4 months ago
2006
IEEE
We have architected and evaluated a new kind of data resource, one that is composed of a logical collection of ephemeral data streams that could be viewed as a collection of publi...
CIKM
2004
Springer
14 years 3 months ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
SIGIR
2008
ACM
13 years 10 months ago
2008
ACM
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...