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KDD
2006
ACM
172views Data Mining» more  KDD 2006»
16 years 7 months ago
Attack detection in time series for recommender systems
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
Sheng Zhang, Amit Chakrabarti, James Ford, Fillia ...
SDM
2009
SIAM
202views Data Mining» more  SDM 2009»
16 years 4 months ago
Proximity-Based Anomaly Detection Using Sparse Structure Learning.
We consider the task of performing anomaly detection in highly noisy multivariate data. In many applications involving real-valued time-series data, such as physical sensor data a...
Tsuyoshi Idé, Aurelie C. Lozano, Naoki Abe,...
DSN
2008
IEEE
16 years 1 months ago
TCP covert timing channels: Design and detection
Exploiting packets’ timing information for covert communication in the Internet has been explored by several network timing channels and watermarking schemes. Several of them em...
Xiapu Luo, Edmond W. W. Chan, Rocky K. C. Chang
ICRA
2008
IEEE
108views Robotics» more  ICRA 2008»
16 years 1 months ago
Detecting structural ambiguities and transitions during a guided tour
— Service robots designed for domestic settings need to navigate in an environment that they have to share with their users. Thus, they have to be able to report their current st...
Elin Anna Topp, Henrik I. Christensen
193
Voted
GCC
2007
Springer
16 years 29 days ago
Detecting and Reducing Partition Nodes in Limited-routing-hop Overlay Networks
Many Internet applications use overlay networks as their basic facilities, like resource sharing, collaborative computing, and so on. Considering the communication cost, most over...
Zhenhua Li, Guihai Chen