266 search results - page 23 / 54 » On first-order topological queries |
WCE
2007
13 years 8 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— In large Wireless Sensor Networks (WSNs), each hop might incur varying delays due to medium access contention, transmission and computation delays. Fast and efficient query re...
SMA
2006
ACM
14 years 1 months ago
2006
ACM
We present an efficient and robust algorithm for computing the minimum distance between a point and freeform curve or surface by lifting the problem into a higher dimension. This...
P2P
2006
IEEE
14 years 1 months ago
2006
IEEE
Given some of the recent advances in Distributed Hash Table (DHT) based Peer-To-Peer (P2P) systems we ask the following questions: Are there applications where unstructured querie...
ICWSM
2008
13 years 9 months ago
2008
In social bookmarking systems users describe bookmarks by keywords called tags. The structure behind these social systems, called folksonomies, can be viewed as a tripartite hyper...