We describe studies of preferences about information sharing aimed at identifying fundamental concerns with and at understanding how people might abstract the details of sharing i...
This research investigates how the pervasive use of technology by an individual in the physical presence of group members affects community level. When technology use occurs, the ...
While mobile handheld devices, such as cell phones and PDAs, provide productivity benefits, they also pose new risks. A vital safeguard against unauthorized access to a device’s...
Customers are usually passive in an electronic commerce transaction. Based on a new two times concurrent signature, this article presents a fair electronic payment (E-payment) pro...
—In industries such as healthcare, there is a need to electronically share privacy-sensitive data across distinct organizations. We show how this can be done while allowing organ...