208 search results - page 30 / 42 » Querying Moving Objects with Uncertainty in Spatio-Temporal ... |
DEXA
2007
Springer
13 years 11 months ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
W2GIS
2005
Springer
14 years 1 months ago
2005
Springer
Location-based services (LBS) constitute an emerging application domain involving spatio-temporal databases. In this paper, i) we propose a classification of LBS, depending on whet...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...
SSD
1999
Springer
13 years 12 months ago
1999
Springer
Traffic telematics comprises services like traffic information, navigation, and emergency call services. Providers of such services need large spatial databases especially for the ...