1805 search results - page 340 / 361 » A Theory of Closure Operators |
139
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SIGMETRICS
2010
ACM
15 years 8 months ago
2010
ACM
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
146
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SIGMOD
2010
ACM
15 years 8 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
129
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SIGMOD
2010
ACM
15 years 8 months ago
2010
ACM
Spreadsheets are among the most commonly used applications for data management and analysis. Perhaps they are even among the most widely used computer applications of all kinds. H...
141
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SACMAT
2009
ACM
15 years 8 months ago
2009
ACM
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...
153
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HYBRID
2001
Springer
15 years 8 months ago
2001
Springer
It has been observed that there are a variety of situations in which the most popular hybrid simulation methods can fail to properly detect the occurrence of discrete events. In th...