571 search results - page 82 / 115 » Clustering Objects on a Spatial Network |
102
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MDM
2010
Springer
15 years 4 months ago
2010
Springer
—Range query processing is an important technology in spatial databases. Current studies mainly focus on range queries in outdoor space based on the Euclidean or network distance...
185
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GIS
2005
ACM
16 years 6 days ago
2005
ACM
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
102
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BROADNETS
2007
IEEE
15 years 5 months ago
2007
IEEE
—We consider pricing secondary access to wireless spectrum in cellular CDMA networks. We study the case for a primary license holder interested in leasing the right of providing ...
COMCOM
2006
14 years 11 months ago
2006
Scalability and extended lifetime are two critical design goals of any large scale wireless sensor network. A two-tiered network model has been proposed recently for this purpose....
123
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INFOCOM
2012
IEEE
13 years 1 months ago
2012
IEEE
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...