785 search results - page 82 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
EDBT
2004
ACM
14 years 9 months ago
2004
ACM
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...
IS
2008
13 years 9 months ago
2008
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...