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 ...
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...
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...
— 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...
Many Internet applications use overlay networks as their basic facilities, like resource sharing, collaborative computing, and so on. Considering the communication cost, most over...