265 search results - page 46 / 53 » Universal Trajectory Queries for Moving Object Databases |
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
ER
2006
Springer
13 years 11 months ago
2006
Springer
Emergent Semantics is a new paradigm for inferring semantic meaning from implicit feedback by a sufficiently large number of users of an object retrieval system. In this paper, we ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
In this paper we focus on the problem of continuously monitoring the set of Reverse k-Nearest Neighbors (RkNNs) of a query object in a moving object database using a client server...
ADBIS
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...