118 search results - page 4 / 24 » Distance Oracles for Spatial Networks |
PODS
2004
ACM
14 years 5 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
EDBT
2012
ACM
11 years 7 months ago
2012
ACM
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...
SIGMETRICS
2010
ACM
13 years 10 months ago
2010
ACM
In this paper, we study distributed channel assignment in wireless networks with applications to peer discovery in ad hoc wireless networks. We model channel assignment as a color...
ACL
2008
13 years 6 months ago
2008
Given several systems' automatic translations of the same sentence, we show how to combine them into a confusion network, whose various paths represent composite translations...
ADHOCNOW
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. A current challenge in wireless sensor networks is the positioning of sensor nodes for indoor environments without dedicated hardware. Especially in this domain, many app...