304 search results - page 2 / 61 » Selectivity Estimation of Window Queries |
MDM
2005
Springer
13 years 9 months ago
2005
Springer
The ever-increasing popularity of mobile applications coupled with the prevalence of spatial data has created the need for efficient processing of spatial queries in mobile enviro...
APWEB
2005
Springer
13 years 9 months ago
2005
Springer
Summarizing topological relations is fundamental to many spatial applications including spatial query optimization. In this paper, we examine the selectivity estimation for range w...
PVLDB
2008
13 years 3 months ago
2008
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
ICIC
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. Using the classical Parzen window (PW) estimate as the target function, the sparse kernel density estimator is constructed in a forward constrained regression manner. The...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...