We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
— Scientific applications often perform complex computational analyses that consume and produce large data sets. We are concerned with data placement policies that distribute dat...
Ann L. Chervenak, Ewa Deelman, Miron Livny, Mei-Hu...
We present Airavat, a MapReduce-based system which provides strong security and privacy guarantees for distributed computations on sensitive data. Airavat is a novel integration o...
Indrajit Roy, Srinath T. V. Setty, Ann Kilzer, Vit...
Concast is a customizable many-to-one network-layer communication service. Although programmable services like concast can improve the efficiency of group applications, accompanyi...
Kenneth L. Calvert, Jim Griffioen, Billy Mullins, ...
In this paper we propose a new voting protocol with desirable security properties. The voting stage of the protocol can be performed by humans without computers; it provides every...