17329 search results - page 3237 / 3466 » Improved non-approximability results |
191
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SIGCOMM
2009
ACM
16 years 1 months ago
2009
ACM
Active probe-based measurements are the foundation for understanding important network path properties such as SLA compliance and available bandwidth. Well-known challenges in act...
151
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SIGCOMM
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we study the impact of today’s IT policies, defined based upon a monoculture approach, on the performance of endhost anomaly detectors. This approach leads to th...
167
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SIGECOM
2009
ACM
16 years 1 months ago
2009
ACM
We study online pricing problems in markets with cancellations, i.e., markets in which prior allocation decisions can be revoked, but at a cost. In our model, a seller receives re...
160
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Query log analysis has received substantial attention in recent years, in which the click graph is an important technique for describing the relationship between queries and URLs....
167
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Most retrieval models estimate the relevance of each document to a query and rank the documents accordingly. However, such an approach ignores the uncertainty associated with the ...