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» Elements of a Theory of Simulation
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SIGIR
2009
ACM
16 years 18 days ago
Approximating true relevance distribution from a mixture model based on irrelevance data
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
Peng Zhang, Yuexian Hou, Dawei Song
HPDC
2008
IEEE
16 years 16 days ago
Improving peer connectivity in wide-area overlays of virtual workstations
Self-configuring virtual networks rely on structured P2P routing to provide seamless connectivity among nodes through overlay routing of virtual IP packets, support decentralized...
Arijit Ganguly, P. Oscar Boykin, David Wolinsky, R...
177
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INFOCOM
2008
IEEE
16 years 15 days ago
iBubble: Multi-Keyword Routing Protocol for Heterogeneous Wireless Sensor Networks
— Many tasks require multiple sensing capabilities; in Wireless Sensor Networks (WSN), it is expensive to deploy a homogeneous network wherein every sensor has the same functiona...
Xiaoming Lu, Matt Spear, Karl N. Levitt, Shyhtsun ...
INFOCOM
2008
IEEE
16 years 15 days ago
Live Baiting for Service-Level DoS Attackers
Abstract. Denial-of-Service (DoS) attacks remain a challenging problem in the Internet. In a DoS attack the attacker is attempting to make a resource unavailable to its intended le...
Sherif M. Khattab, Sameh Gobriel, Rami G. Melhem, ...
SECON
2008
IEEE
16 years 14 days ago
Optimal Buffer Management Policies for Delay Tolerant Networks
—Delay Tolerant Networks are wireless networks where disconnections may occur frequently due to propagation phenomena, node mobility, and power outages. Propagation delays may al...
Amir Krifa, Chadi Barakat, Thrasyvoulos Spyropoulo...