The aggregation of conflicting preferences is a key issue in multiagent systems. Due to its universality, voting has a central role among preference aggregation mechanisms. Votin...
This paper addresses the question of factoring a logic into families of (generally simpler) components, estimating the top– down perspective, splitting, versus the bottom–up, s...
We investigate whether it is possible to encrypt a database and then give it away in such a form that users can still access it, but only in a restricted way. In contrast to conve...
Human-memorable passwords are a mainstay of computer security. To decrease vulnerability of passwords to bruteforce dictionary attacks, many organizations enforce complicated pass...
Existing reputation systems used by online auction houses do not address the concern of a buyer shopping for commodities—finding a good bargain. These systems do not provide in...
Shai Rubin, Mihai Christodorescu, Vinod Ganapathy,...