322 search results - page 19 / 65 » Least Expected Cost Query Optimization: What Can We Expect |
SIGECOM
2010
ACM
14 years 1 months ago
2010
ACM
We design and analyze approximately revenue-maximizing auctions in general single-parameter settings. Bidders have publicly observable attributes, and we assume that the valuation...
CCCG
2007
13 years 10 months ago
2007
We consider the problem of determining the placement of a star R on a set P of n points in the plane such that a given objective function is maximized. A star R is a set of m rays...
CIKM
2006
Springer
14 years 10 days ago
2006
Springer
Monitoring systems today often involve continuous queries over streaming data, in a distributed collaborative system. The distribution of query operators over a network of process...
DASFAA
2010
IEEE
14 years 15 days ago
2010
IEEE
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
TKDE
2011
13 years 10 days ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...