589 search results - page 53 / 118 » Location-dependent query processing: Where we are and where ... |
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
ICDE
2000
IEEE
14 years 9 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
LOCA
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Location-based Services are emerging as popular applications in pervasive computing. Spatial k-anonymity is used in Locationbased Services to protect privacy, by hiding t...
TSD
2007
Springer
14 years 1 months ago
2007
Springer
The world wide web is a natural setting for cross-lingual information retrieval. The European Union is a typical example of a multilingual scenario, where multiple users have to de...