118 search results - page 23 / 24 » Distance Oracles for Spatial Networks |
GIS
2009
ACM
14 years 5 months ago
2009
ACM
Map-matching is the process of aligning a sequence of observed user positions with the road network on a digital map. It is a fundamental pre-processing step for many applications...
SIGMETRICS
2008
ACM
13 years 4 months ago
2008
ACM
Enterprise customers are increasingly adopting MPLS (Multiprotocol Label Switching) VPN (Virtual Private Network) service that offers direct any-to-any reachability among the cust...
NOSSDAV
2005
Springer
13 years 10 months ago
2005
Springer
An improved prototype of the “voiscape” voice communication medium has been developed and subjectively evaluated. Voiscape enables natural and seamless voice communication by ...
TCOM
2008
13 years 4 months ago
2008
We investigate the use of distributed measurements for estimating and updating the performance of a cellular system. Specifically, we discuss the number and placement of sensors in...
PVLDB
2008
13 years 4 months ago
2008
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...