20 search results - page 2 / 4 » Top-k Spatial Preference Queries |
SIGMOD
2011
ACM
12 years 8 months ago
2011
ACM
Ranking queries report the top-K results according to a user-defined scoring function. A widely used scoring function is the weighted summation of multiple scores. Often times, u...
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
PVLDB
2010
13 years 3 months ago
2010
The location-aware keyword query returns ranked objects that are near a query location and that have textual descriptions that match query keywords. This query occurs inherently i...
EDBT
2011
ACM
12 years 8 months ago
2011
ACM
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
ICDE
2011
IEEE
12 years 8 months ago
2011
IEEE
—In this demonstration paper, we present a powerful distributed framework for finding similar trajectories in a smartphone network, without disclosing the traces of participatin...