17329 search results - page 3278 / 3466 » Improved non-approximability results |
189
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SASN
2006
ACM
16 years 13 days ago
2006
ACM
In a mobile ad hoc network (MANET), a source node must rely on intermediate nodes to forward its packets along multihop routes to the destination node. Due to the lack of infrastr...
195
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SENSYS
2006
ACM
16 years 13 days ago
2006
ACM
Datalink layer framing in wireless sensor networks usually faces a trade-off between large frame sizes for high channel bandwidth utilization and small frame sizes for effective e...
160
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SIGCOMM
2006
ACM
16 years 13 days ago
2006
ACM
This paper studies the network-level behavior of spammers, including: IP address ranges that send the most spam, common spamming modes (e.g., BGP route hijacking, bots), how persi...
177
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SIGCOMM
2006
ACM
16 years 13 days ago
2006
ACM
Extensive measurement studies have shown that end-to-end Internet path performance degradation is correlated with routing dynamics. However, the root cause of the correlation betw...
156
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SIGIR
2006
ACM
16 years 13 days ago
2006
ACM
We present a new family of hybrid index maintenance strategies to be used in on-line index construction for monotonically growing text collections. These new strategies improve up...