3613 search results - page 279 / 723 » Estimating costs of a service |
183
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SODA
2012
ACM
13 years 9 months ago
2012
ACM
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the traditional model where the...
191
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JACM
2012
13 years 9 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
171
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SAC
2008
ACM
15 years 6 months ago
2008
ACM
Networked value constellations are collections of enterprises that jointly satify complex consumer needs. Increasingly, such needs are satisfied by e-services, i.e. commercial ser...
173
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ICC
2007
IEEE
16 years 29 days ago
2007
IEEE
— Decision directed channel tracking (DDCT) at high fade rates in OFDM based systems is addressed in this paper. Existing DDCT algorithms like the expectation-maximization (EM) a...
147
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EDOC
2006
IEEE
16 years 21 days ago
2006
IEEE
The analysis, and eventual approval or rejection, of new enterprise information technology (IT) initiatives often proceeds on the basis of informal estimates of return on investme...