1203 search results - page 13 / 241 » Performance Evaluation of Spatio-temporal Selectivity Estima... |
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
—WiFi access points that provide Internet access to users have been steadily increasing in urban areas. Different access points differ from one another in terms of services that ...
WIAMIS
2009
IEEE
14 years 2 months ago
2009
IEEE
Pixel-based and motion vector-based global motion estimation (GME) techniques are evaluated in this paper with an automatic system for camera motion characterization. First, the G...
ECIR
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Previous evaluations of server selection methods for federated search have either used metrics which are unconnected with user satisfaction, or have not been able to acco...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— In this paper, we propose a frequency domain adaptive estimation of Doppler shifts for multiple Doppler subpaths in direct sequence code division multiple access (DS-CD...