1813 search results - page 314 / 363 » Calculi of Approximation Spaces |
126
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
In this paper we study approximate landmark-based methods for point-to-point distance estimation in very large networks. These methods involve selecting a subset of nodes as landm...
145
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ISAAC
2009
Springer
15 years 10 months ago
2009
Springer
We give a simple framework which is an alternative to the celebrated and widely used shifting strategy of Hochbaum and Maass [J. ACM, 1985] which has yielded efficient algorithms ...
142
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SECON
2008
IEEE
15 years 10 months ago
2008
IEEE
—Delay Tolerant Networks are wireless networks where disconnections may occur frequently due to propagation phenomena, node mobility, and power outages. Propagation delays may al...
146
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SSDBM
2008
IEEE
15 years 10 months ago
2008
IEEE
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
138
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COMPGEOM
2006
ACM
15 years 10 months ago
2006
ACM
Embedding metrics into constant-dimensional geometric spaces, such as the Euclidean plane, is relatively poorly understood. Motivated by applications in visualization, ad-hoc netw...