As privacy moves to the center of attention in networked systems, and the need for trust remains a necessity, an important question arises: How do we reconcile the two seemingly c...
Vehicular networks will become an important component for information accesses in one’s daily life. A vehicular network provides a vehicular user not only chances to communicate...
Emerging applications in electronic commerce often involve very low-cost transactions, which execute in the context of ongoing, extended clientserver relationships. For example, c...
Yossi Matias, Alain J. Mayer, Abraham Silberschatz
We present Asirra (Figure 1), a CAPTCHA that asks users to identify cats out of a set of 12 photographs of both cats and dogs. Asirra is easy for users; user studies indicate it c...
Jeremy Elson, John R. Douceur, Jon Howell, Jared S...
Security and privacy are two major concerns in supporting roaming users across administrative domains. In current practices, a roaming user often uses encrypted tunnels, e.g., Virt...
Jerry Cheng, Hao Yang, Starsky H. Y. Wong, Petros ...