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KDD
2012
ACM
205views Data Mining» more  KDD 2012»
12 years 1 months ago
From user comments to on-line conversations
We present an analysis of user conversations in on-line social media and their evolution over time. We propose a dynamic model that predicts the growth dynamics and structural pro...
Chunyan Wang, Mao Ye, Bernardo A. Huberman
ISSTA
2012
ACM
12 years 1 months ago
A quantitative study of accuracy in system call-based malware detection
Over the last decade, there has been a significant increase in the number and sophistication of malware-related attacks and infections. Many detection techniques have been propos...
Davide Canali, Andrea Lanzi, Davide Balzarotti, Ch...
POST
2012
162views more  POST 2012»
12 years 7 months ago
Revisiting Botnet Models and Their Implications for Takedown Strategies
Abstract. Several works have utilized network models to study peerto-peer botnets, particularly in evaluating the effectiveness of strategies aimed at taking down a botnet. We obs...
Ting-Fang Yen, Michael K. Reiter
ASPLOS
2012
ACM
12 years 7 months ago
An update-aware storage system for low-locality update-intensive workloads
Traditional storage systems provide a simple read/write interface, which is inadequate for low-locality update-intensive workloads because it limits the disk scheduling flexibili...
Dilip Nijagal Simha, Maohua Lu, Tzi-cker Chiueh
ATAL
2011
Springer
12 years 11 months ago
Metric learning for reinforcement learning agents
A key component of any reinforcement learning algorithm is the underlying representation used by the agent. While reinforcement learning (RL) agents have typically relied on hand-...
Matthew E. Taylor, Brian Kulis, Fei Sha
WIOPT
2011
IEEE
13 years 3 months ago
LIFO-Backpressure achieves near optimal utility-delay tradeoff
There has been considerable recent work developing a new stochastic network utility maximization framework using Backpressure algorithms, also known as MaxWeight. A key open probl...
Longbo Huang, Scott Moeller, Michael J. Neely, Bha...